Does weed make your eyes dilated

Since one of the main effects of vasodilation is decreasing blood pressure, cannabis could be promising for treating cardiovascular disorders, such as stroke, atherosclerosis, restenosis, MI, and heart failure. However, more research yet needs to be done on this aspect. 3. 6. The Endocannabinoid System (ECS) Explained.

Does weed make your eyes dilated. A dilated blood vessel will increases blood flow throughout the body. This causes the blood vessels in the eyes to become larger, causing redness or the bloodshot …

Essentially, yes. The amount and quality of cannabinoids consumed directly influences how red your eyes become (though genes, allergies, and general sensitivity to marijuana also play a part). More cannabinoids increase the level of blood vessel dilation, thus making your eyes redder. Hitting a bong packed with low-grade cannabis one day may ...

What Does Meth Do to Your Eyes? ... Any use of meth can result in short-term and long-term effects on the eyes. In the short term, meth can cause pupil dilation, ...Optic Neuropathy. In addition to the short-term and temporary effects of alcohol, consuming heavy amounts of alcohol can lead to irreversible eye problems over time. You might develop a painless loss of vision, decreased peripheral vision, or reduced color vision. Also referred to as tobacco-alcohol amblyopia, people who drink or smoke in ...Dilated pupils happen when the pupil of the eye becomes bigger than usual. The pupil is the black in the middle of your eye, and the color around it is called the iris. Naturally, your pupils will get bigger or smaller in size based on the light around you. The size of the pupils is controlled by tiny muscles in the iris.ongoing or worsening eye redness; eye pain; or. changes in your vision. Common side effects of Visine-A may include: mild burning or stinging of the eye; dilated pupils, blurred vision; or. eyes being more sensitive to light. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. Weed makes your eyes red because marijuana dilates your blood vessels and capillaries. It also lowers your blood pressure. By doing so, it effectively increases blood flow throughout the body- and your eyes are no exception! The excess blood shows through the whites of your eyes, making your eyes look red. The higher the THC ratio in your weed ... 5. Itchiness. It's not normal to feel intensely itchy after exposure to marijuana (or ever, really). This is a big red flag. 6. Rashes. Some weed allergy sufferers report developing rashes or ...The fluctuation in inner eye pressure encourages red eyes, which eases pressure on the retinal nerve. Even eating or vaping other cannabis products makes your eyes red. This is because regardless of the consumption method, cannabis makes the ocular capillaries dilate. Thus, red eyes result, and while cannabis can make your eyes red, you might ...

The Role of Blood Pressure. Blood pressure holds a significant influence on why weed makes your eyes red subsequent to marijuana consumption. As previously mentioned, marijuana use initially elevates heart rate and blood pressure, followed by a subsequent decrease after a brief period.Technically yes. When you smoke medical marijuana, the harsh smoke can irritate your eyes. This results in eye irritation and redness. But if you get eye redness from consuming edibles, it's due solely to the high THC content. So if you're new to cannabis edibles, you should start with a low concentration of THC.Marijuana decreases blood pressure and expands the eye's blood vessels, causing the appearance of bloodshot eyes, according to Heathline. The effect mainly comes from the ingredient THC, or tetrahydrocannabinol, which enters the circulatory system via the bloodstream, according to the University of Maryland. 23M subscribers in the ...Scientists believe that using weed may cause eye twitching due to the activation of the TRPA1 receptor. The TRPA1 receptor may be triggering dry eye symptoms, which causes eye tremors. The study says, “TRPA1 is actively involved in the peripheral cannabinoid pathway in sensory neurons.”. In other words, the cannabinoids and other …Difficulty solving problems and thinking. When people use large amounts of marijuana, it can cause weed hallucinations, delusions, and even psychosis. 949-276-2886. Meanwhile, marijuana can affect a person's development. When individuals use weed at a young age, it can impair their memory, thinking, and learning functions.However, pupil dilation is hardly a tell-tale sign that you’ve been smoking marijuana, as most commonly, weed affects the eyes in a slightly different and more pronounced way than pupil dilation. How Else Does Smoking Weed Affect the Eyes? The most obvious sign you’ve been smoking weed will be red eyes, hands down. If you’ve been a weed ...Medical cannabis therapies containing delta-9-tetrahydrocannabinol (THC)—the main psychoactive component of marijuana—are associated with cardiovascular effects, including changes to heart ...Consuming cannabis can cause a temporary rise in blood pressure. But THC also acts on ECS receptors to lower blood pressure. That in turn causes blood vessels and capillaries to dilate, so that blood flow increases. The increased flow of blood to vessels in the eyeball can make the sclera, or the "white" of the eye, look red.

Thanks for your help! Depending on what it is potentially cut with, and how much you’ve consumed,your eyes could remain dilated for over 6 hours. Usually after 4 hours of sleep my eyes will be normal, ever so often I wake up and they are still dilated. If you’re worried someone will notice at work or at home then there’s nothing you can ...Prevent Red Eyes with Low-THC Strains. If “weed eyes” are a regular issue, then you might prevent them by decreasing the amount of THC that you are consuming when you smoke up. Since THC is the main culprit, avoiding it should prevent redness in the future. Try searching for strains with a lower THC percentage!Common Eye Questions — Eye Blog — Matt Weed, MD Spokane Pediatric Ophthalmologist Slika #75 | Rezolucija fotografije: 553x940 Dilated Pupils (Mydriasis): Causes, Treatment, When to See a DoctorThe main reason your eyes get red — or bloodshot and bloated — when you use marijuana is due to vasodilation being set off by THC and other cannabinoids present in cannabis. When your eyes redden and get puffy, it indicates that there is an increased blood flow to your eyeball due to the dilation of blood vessels and capillaries around the ...

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Using CBD Oil for Your Eyes. One of the most common side effects of cannabis is eye redness, so it’s somewhat ironic that a cannabis derivative like CBD oil can now be used to manage it. Bloodshot eyes are caused by tiny blood vessels that become dilated, and since cannabidiol (CBD) has the ability to increase blood pressure, …The cannabinoids impact a person's blood flow to their eyes while they are under the influence of marijuana, which causes pink and red coloring. Using either recreational or medical marijuana introduces tetrahydrocannabinol, or THC, into the bloodstream. This causes a person's blood vessels to become relaxed, causing increased blood flow ...Here are six ways to keep your eyes healthy. 1. Limit your alcohol intake and avoid use of illicit drugs. It may go without saying, but one way to prevent glassy eyes is to refrain from use of illegal or dangerous drugs. And limit your intake of alcohol and legal drugs, like marijuana (in some states). 2.This makes your blood capillaries and vessels expand, increasing the flow of blood on the surface of the eyes. This is the primary cause of your eyes turning red and happens regardless of whether you smoke or eat THC. While redness can be expected when you consume edibles, it does not mean it will occur every time you have them.In fact, it may combat swelling! In short, CBD does not cause the blood vessels in your eyes to dilate, so it doesn't play a hand in your eyes' redness. CBD interacts with the endocannabinoid system (ECS) of the body, but doesn't connect with any cannabinoid receptors directly. Know the right dosage of CBD oil!Apr 20, 2022 · A dilated blood vessel will increases blood flow throughout the body. This causes the blood vessels in the eyes to become larger, causing redness or the bloodshot eyes associated with smoking weed. The best way to get rid of the redness is not with visine that shrinks the arteries, but with an eye drop that shrinks the veins called Lumify.

Therefore, it could be concluded that marijuana can indeed change pupil size, but it will vary depending on the situation. However, pupil dilation is hardly a tell-tale sign that you've been smoking marijuana, as most commonly, weed affects the eyes in a slightly different and more pronounced way than pupil dilation.Artificial Tears. Cannabis use can sometimes lead to dry eyes, which can exacerbate redness. Artificial tears are available without a prescription at most drugstores and can help alleviate dryness and provide relief from red eyes. These eye drops lubricate the eyes, reducing irritation and redness.Drug Use. Dilated pupils are one sign that someone has used illegal drugs, such as: Cocaine. Amphetamines. LSD. Ecstasy. These drugs affect the muscle that widens the pupil, slowing how it reacts ...Marijuana use can cause red eyes for two primary reasons. The most likely explanation is that THC lowers blood pressure, which results in the dilation of blood vessels and capillaries, which in turn helps treat glaucoma. Your ocular capillaries dilate as THC enters your system, increasing blood flow and giving the appearance of reddened eyes.Adderall can have some effects on your eyes. ... (the black centers of your eyes) to dilate (become bigger). For most people, this isn’t a problem. ... (marijuana) can increase your risk of ...Pupil dilation creates a clear view to the back of your eye. Having your eyes dilated during an eye exam can reveal essential information about your general health and facilitate early detection of eye disease.. The pupil is the black circle in the center of your eye. It is surrounded by the colored iris, the muscular membrane responsible for …A dilated eye exam is part of a comprehensive eye exam, in which an eye doctor checks your vision, determines your vision prescription (if needed) and assesses the health of your eyes. The dilated portion of the eye exam takes place while your pupils are dilated, which allows your eye doctor to get a better look at the retinas and optic …7 Reasons Why Cats Eyes Always Dilated. #1 High Blood Pressure. #2 Blindness. #3 Key-Gaskell Syndrome. #4 Chronic Pain. #5 Toxin ingestion. #6 Increased intra-ocular pressure. #7 Physical trauma.When allergy eye drops dilated pupils, does it damage the eye? 3 doctors weighed in across 2 answers. A member asked: What are some common causes of spontaneous pupil dilation and dizziness? head mri clean. A doctor has provided 1 answer. A member asked:

Often referenced in TV and film, marijuana eyes are red, bloodshot eyes. While this is a normal reaction to cannabis, it can be uncomfortable to experience it in your daily life. Other symptoms of “weed eyes” include reduced intraocular pressure that can cause blurry vision, dry eyes, and dilated pupils, which itself can cause photosensitivity.

Weeds are a common problem in gardens and lawns. They can take over quickly, stealing water and nutrients from the plants you want to grow. Fortunately, there is an easy and natura...Signs Someone Is High. Physical signs of marijuana use include red eyes, poor muscle coordination, delayed reaction times, and increased appetite. A sudden shift in mood from tense to relaxed could indicate marijuana use, as could abrupt symptoms of anxiety, panic, and/or hallucinations. Marijuana also has a distinctive smell, sometimes ...Another effect of cannabis on ocular health is a reduction of the amount of eye blinks, which increases ocular dryness and Meibomian gland dysfunction. These symptoms can be uncomfortable for those who wear contact lenses or who have had laser surgery such as PRK, Lasik, Smile or Relex. Cannabis consumption can normally be resumed 24 hours ...Humans are not exempt from this poison. Milkweed sap can be very irritating to the skin but is also very dangerous if it gets in your eyes. This poison can cause corneal endothelial toxicity. This toxicity affects the innermost layer of the cornea and can cause symptoms such as blurred vision, light sensitivity and extreme pain.Endophthalmitis is an eye infection resulting from bacteria or fungus. It sometimes happens in cocaine users who inject cocaine with needles. This condition causes intense pain, red eyes, sensitivity to light, discharge from the eyes, and impaired vision. These symptoms will worsen until a person receives treatment.Consuming cannabis can cause a temporary rise in blood pressure. But THC also acts on ECS receptors to lower blood pressure. That in turn causes blood vessels and capillaries to dilate, so that blood flow increases. The increased flow of blood to vessels in the eyeball can make the sclera, or the "white" of the eye, look red.Marijuana has a long-term effect on blood flow to the brain, potentially increasing the risk of memory damage and stroke, research finds. The National Institute on Drug Abuse in Baltimore found users have faster blood flow in their brains - even after a month of not smoking. The findings suggest marijauna use narrows blood vessels, in way ...Cocaine is a highly addictive illicit drug that stimulates the central nervous system. The central nervous system, which affects the visual system, is composed of the brain and spinal cord. Cocaine use can lead to effects on the eyes and vision as a result of how it interacts with certain regions of the brain. Cocaine can be used by: snorting ...

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Cocaine use affects the central nervous system by releasing an important hormone called norepinephrine from the adrenal gland. While this increase in endorphins creates stimulating effects, it is also responsible for dilating the pupils. Cocaine also prevents the reabsorption of this hormone, which results in a buildup of it in the bloodstream.Already, there are several acute ways that cannabis affects the eyes. While some are spectacular, like improved night vision, not all of the effects are enjoyable. Shortly after consuming the herb, it is not uncommon to experience: 1.) Red Eye. Red eyes are not always the favorite cannabis side effect.Since one of the main effects of vasodilation is decreasing blood pressure, cannabis could be promising for treating cardiovascular disorders, such as stroke, atherosclerosis, restenosis, MI, and heart failure. However, more research yet needs to be done on this aspect. 3. 6. The Endocannabinoid System (ECS) Explained.Apart from prescription medications, commonly misused drugs also affect pupil size. This is because they affect the normal bodily functions of the iris. Enlarged pupils can indicate intoxication, drug use, and drug addiction. 2 Drugs that can cause pupil dilation include: Cocaine. Alcohol.How Marijuana Affects the Body. One way marijuana affects the entire body is by temporarily lowering blood pressure. This will cause blood vessels to dilate to increase blood flow to the organ. The way this presents in the eye is with redness. The blood vessels on the white part of the eye, or the sclera, will dilate and cause a pinkish-red hue.Weed eyes are caused by weed lowering your blood pressure and dilating your blood vessels and capillaries. The combination of lower blood pressure and dilation increases blood flow to your eyes and makes the whites appear red. Marijuana eyes are more prevalent when you consume high-THC strains.The difference between a flower and a weed is truly in the eye of the gardener. A weed is defined as a wild plant that is growing where it is not wanted and stealing nutrients from...Several drugs are known to cause dilation of the pupils, resulting in your pupils (black dots) to become larger than normal size. Many drugs can also affect eye movement and sometimes eye color. On the opposite end, there are some drugs — most notably, narcotics — that can cause the pupils to constrict, or become smaller.Cocaine use affects the central nervous system by releasing an important hormone called norepinephrine from the adrenal gland. While this increase in endorphins creates stimulating effects, it is also responsible for dilating the pupils. Cocaine also prevents the reabsorption of this hormone, which results in a buildup of it in the bloodstream.The main reason your eyes get red — or bloodshot and bloated — when you use marijuana is due to vasodilation being set off by THC and other cannabinoids present in cannabis. When your eyes redden and get puffy, it indicates that there is an increased blood flow to your eyeball due to the dilation of blood vessels and capillaries around the ...So i went to the eye doctor to get my sight measured and they put this drops that dilate your eyes. The lady said that the effect would last up to…Answers. WI. WildcatVet 3 Oct 2019. Hi, Mandyy! These symptoms are called mydriasis and hyperhidrosis and are side effects when starting Prozac (and many other antidepressants ): "Common (1% to 10%): Sweating/hyperhidrosis". "Uncommon (0.1% to 1%): Dry eyes, mydriasis, photophobia". They generally resolve in just a few days to a week or two so ... ….

This time varies according to the kind of drops utilized, as well as the color of your eyes. By and large, dark-colored eyes have shorter dilation periods, while light-colored eyes might stay open to eight hours. Children, meanwhile, are typically dilated with more powerful drops to enhance the precision of the test.Nov 12, 2022 ... Weed do not dilate pupils. It does the opposite. It's weird you get that effect instead. I think there is some shit cut in your weed, or you ...We would like to show you a description here but the site won't allow us.Xanax, a benzodiazepine drug, can also make pupils dilate since it affects the activity of neurotransmitter GABA that relaxes the muscles. Additionally, the stimulant medication used in ADHD treatment, i.e., Adderall and Ritalin, can also cause pupil dilation. Other drugs, specifically opioids, can cause pinpoint pupils.The familiar red and glassy-eyed stare of someone who’s high was previously thought to be due to the irritation of eyes by pot smoke. But, now we know that weed makes your eyes red for the same reason it makes you dizzy- vasodilation. Marijuana has a lot of active ingredients. Tetrahydrocannabinol (THC) is only one of the many (>113) cannabinoids present in cannabis. These compounds interact ...Edibles, similar to any cannabis product that contains THC, can also cause red eyes through vasodilation. It is widely assumed that the redness is caused by smoking cannabis, but that is untrue. The eye-reddening effect of cannabis edibles depends on the amount of THC, so the higher the levels, the redder the eyes.Uncategorized. Eye dilation is a term that means opening your pupils with special drops. The eye drops make the pupils larger so the eye doctor can better view the internal structure at the back of your eye. It usually takes around 20 minutes for the drops to start working, but the effects are temporary and wear off after two to three hours.Normally, when your doctor dilates your pupils, he uses two types of drops. There is a drop used in the procedure which contracts the muscles controlling the pupil so that it becomes larger. An example of an eye drop of this kind is Phenylephrine. Relaxing the muscles that focus the eye lens is used in the second type.Here's Why. You get red eyes, also referred to as "high eyes," after smoking cannabis because THC dilates capillaries in the eyes allowing more oxygenated blood to flow through them making them appear redder than normal. As you consume more THC, your blood pressure and heart rate will increase and your ocular blood vessels will expand. Does weed make your eyes dilated, Answer: The frequency of dilated eye examination depends on your age. The American Academy of Ophthalmology now recommends that adults with no signs or risk factors for eye disease get a baseline eye disease screening (including dilation) at age 40. A family history of glaucoma and dry age-related macular degeneration increases the need for ..., Cannabis can cause red eyes because of the effect it has on blood vessels when the body responds to active compounds like THC. When THC enters the body, it interacts with cannabinoid receptors in the endocannabinoid system, leading to various physiological and psychological effects. One of these effects is the dilation of blood vessels and the ..., Glaucoma and other eye conditions cannot be treated with cannabis or other compounds derived from marijuana, such as CBD. That's because eye pressure must be managed 24 hours a day to effectively treat glaucoma. It's simply not practical to use marijuana constantly. To reduce eye pressure in a noticeable way — and maintain that reduction ..., How Your Pupils are Dilated. A dilated eye exam allows your doctor to better see the inside of your eye through the pupil, which is the black circle in the center of your eye. By dilating or widening the pupil, eye doctors can easily view the complete anatomy of the eye. Your pupils are dilated with the help of dilating eye drops., The condition of one pupil being larger than the other without having received dilating drops is called anisocoria. The causes of this are too numerous to discuss in detail. Most common is simple anisocoria, which is usually a small difference between the pupil sizes and is a normal variant. If this is a new observation then the ophthalmologist ..., Some forms of medical marijuana have been examined to treat eye conditions, especially glaucoma, but newer research suggests that CBD is not an effective treatment for your eyes. Medical marijuana has been touted to generally ease physical and emotional pain, including nausea related to cancer treatment, chronic pain, general anxiety disorder ..., Symptoms of concussions in dogs include an inability to keep down water or food without vomiting, dilation of the eyes or unusual eye movement, a weakened condition, and disorienta..., 1. You're in low light. This is one of the most common reasons why our pupils dilate, as our eyes are constantly adjusting to changes in the level of light in our surroundings. Our pupils dilate and constrict constantly as we move from space to space and focus our gaze on different objects or people. Your pupils control how much light enters ..., Drug Use. Dilated pupils are one sign that someone has used illegal drugs, such as: Cocaine. Amphetamines. LSD. Ecstasy. These drugs affect the muscle that widens the pupil, slowing how it reacts ..., Marijuana, hashish and other cannabis-containing substances. People use cannabis by smoking, eating, or inhaling a vaporized form of the drug. Cannabis often precedes or is used along with other substances, such as alcohol or other illegal drugs. Signs and symptoms of recent use can include: A sense of euphoria or feeling "high", During a dilated exam, your doctor can spot problems like a torn or detached retina or an eye tumor. They can also diagnose and monitor common eye diseases that can take away your sight: Diabetic ..., Dec 30, 2023 · The Role of Blood Pressure. Blood pressure holds a significant influence on why weed makes your eyes red subsequent to marijuana consumption. As previously mentioned, marijuana use initially elevates heart rate and blood pressure, followed by a subsequent decrease after a brief period. , 1 The Best Eye Drops For Red Eyes. 1.1 LUMIFY Redness Reliever Eye Drops. 1.2 Bausch + Lomb Advanced Eye Relief Maximum Redness. 1.3 Rohto Cool Max. 2 The Best Eye Drops For Stoners. 2.1 Visine Original Redness Relief. 2.2 Clear Eyes Maximum Redness Relief. 2.3 Clear Eyes Contact Lens Multi Action Relief. 3 Why Does Smoking Weed Make Your Eyes Red?, The short-term side-effects of vaping may be dry eyes. E-cigarettes can reduce moisture in your eyes, which may not keep them wet. You can be exposed to itchiness and scratch in the area. These symptoms may cause redness and dry eyes most of the time. You may feel hurt in the organ while blinking., kratom users experiencing "the eye wobbles". • Healthcare providers should be aware that visual changes and nystagmus can be an important diagnostic clue into kratom toxicity. • This case highlights how imperative it is for providers to obtain a comprehensive history of herbal supplement usage. 1) Sanderson M, Rowe A. Kratom., Weed eyes are caused by weed lowering your blood pressure and dilating your blood vessels and capillaries. The combination of lower blood pressure and dilation increases …, Eye dilation is the process of using eye drops to dilate or widen your pupils, and allow more light to pass through. After the drops are put into your eye, the dilation takes about 30 minutes to complete. This gives your doctor a better view of the back of your eye, including your optic nerve and retina. This helps your eye doctor diagnose many ..., New Member. first, if you have been smoking for a long time your eyes probably dont get red but if you dont get high that ofter you might experience red eyes i guess it depends on how much dank you put in what you eat. smoke HASH and than i THRASH! Confucious say 'man who stand on toilet is high on pot'. Mar 14, 2006., Apart from prescription medications, commonly misused drugs also affect pupil size. This is because they affect the normal bodily functions of the iris. Enlarged pupils can indicate intoxication, drug use, and drug addiction. 2 Drugs that can cause pupil dilation include: Cocaine. Alcohol., Weed makes your eyes red because marijuana dilates your blood vessels and capillaries. It also lowers your blood pressure. By doing so, it effectively increases blood flow throughout the body- and your eyes are no exception! The excess blood shows through the whites of your eyes, making your eyes look red. The higher the THC ratio in your weed ... , After taking cocaine, marijuana, or amphetamines, for example, your pupils get noticeably larger ( Mydriasis ), while opiates such as heroin constrict the pupils ( Miosis ). Fun fact: Movie-goers ..., Cocaine causes dilation of the pupils, as well as other effects such as increased heart rate, sweating, nausea, vomiting, and hallucinations. Methamphetamine causes dilation of the pupils, along with other effects such as increased blood pressure, anxiety, hyperactivity, muscle twitching, and dry mouth. LSD causes dilation of the iris, and may ... , The real reason why smoking weed makes your eyes turn red is that THC (tetrahydrocannabinol), the psychoactive cannabinoid, causes temporary changes to …, Others say that red eyes are considered to be an allergic reaction to smoking. And while both are logical and possible, there's a more scientific reason behind it. Red eyes are caused by a change in pressure. The main psychoactive endocannabinoid in marijuana, THC, gets into your system and causes your blood pressure to decrease., There are stoners whose eyes get particularly red, and I believe those are the ones who are thinking a lot, or at least paying a lot of attention to their own thoughts. I've noticed other people (usually girls) who hardly have a change in their eyes after smoking. The redness of your eyes is reflected on the location of your thoughts: inside ..., Answer From Alaina L. Softing Hataye, O.D. Whether eye dilation during an exam is necessary depends on the reason for your exam, your age, your overall health and your risk of eye diseases. The eye drops used for dilation cause your pupils to widen, allowing in more light and giving your doctor a better view of the back of your eye., dilated pupils, or pupils of uneven size. misaligned eyes. difficulty tracking objects with the eyes. atypical eye movements. droopy eyelids. However, not all concussion-related eye symptoms are ..., The pupils get smaller and do not respond to light. If your friend or family member displays this symptom, call 911 as it could indicate an overdose. Alcohol, cocaine, and marijuana may cause bloodshot eyes since these substances cause the blood vessels around the pupils to expand. Determining Dilation, Apart from prescription medications, commonly misused drugs also affect pupil size. This is because they affect the normal bodily functions of the iris. Enlarged pupils can indicate intoxication, drug use, and drug addiction. 2 Drugs that can cause pupil dilation include: Cocaine. Alcohol., The same thing we conclude from reading many scientific reports: some people respond to stimuli differently than others. The majority of people get bloodshot eyes after smoking weed — but some don’t. Many people’s pupils dilate — but it doesn’t happen to everyone, and some peoples’ pupils may actually constrict., Dilation tends to last longer in people with lighter colored eyes, and occasionally a child's eyes may stay dilated for longer than 24 hours. Please contact our office at 215-590-2791 if you have questions or concerns. Sunglasses may be helpful after a dilated eye exam to protect your child's eyes from sensitivity to light., Other signs of an opioid overdose include: shallow and slow breathing. choking, gurgling, or other unusual sounds. a rattling sound when exhaling. inability to speak. limpness. blue or grayish ..., Marijuana can cause redness, pupil dilation, and a slowed ability to focus during intoxication. Uncontrolled, repetitive eye movements is also common with marijuana misuse. With chronic use, an individual may experience ongoing decreased eye muscle function. Methamphetamine and other stimulants cause dilated pupils.