eyes are dilated all the time?
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Sometimes your pupils can dilate without any change in the light. The medical term for it is mydriasis. Medicines, injuries, and diseases can all cause this eye condition.
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Pupil dilation is performed to purposefully increase the size of the pupils during an eye exam so that the eye doctor can fully examine the health of the optic nerve and retina. The exam is critical to preventing and treating eye conditions that could potentially lead to vision loss.
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Yes, eyes are connected to each other at the base of the brain. ... They are both controled by the brain. So usually they move together in the same directions. When you use you eyes, there are 6 muscles around each eye and they can make the eyes move owing to the nerves connected.
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A blind spot is normal Having a blind spot in each eye is a natural occurrence and is typically not cause for concern. It occurs because of the structure of the eye and a lack of photoreceptors. You're likely not even aware of your blind spot in day-to-day living, because your brain fills in any missing information.
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Amblyopia, sometimes referred to as "lazy eye," occurs when one or both eyes do not develop normal vision during early childhood. Babies are not born with 20/20 vision in each eye.
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Dilator muscle, any of the muscles that widen a body part. In humans, the dilator muscle of the iris contains fibres that extend radially through the iris of the eye and involuntarily contract as available light decreases, thus dilating the pupil.
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These eye drops or ointments relax the muscles of the eye so as to widen (dilate) the pupil, which is the central black area in the middle of the iris, the coloured part of the eye. These medicines also relax the focusing muscles of the eye, which means that most children will also experience blurred vision.
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Can I Wear Reading Glasses All Day? ... Reading glasses are intended for occasional use, and while wearing reading glasses won't permanently damage your eyes, an eye doctor can provide you the appropriate vision correction for full-time wear. Consider progressive or bifocal lenses to correct both near and distance vision.
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After demise, pupils are usually mid- dilated (a.k.a. 'cadaveric position'), and in some cases they can be slightly dilated, because of the relaxation of the iris muscles and later they can become slightly constricted with the onset of rigor mortis of the constrictor muscles.
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It depends on the blind person's eye diagnosis. If blindness is due to a cataract or corneal dystrophy and not to nerve problems, the pupil will dilate and contract as usual. If the diagnosis is due to an optic nerve problem, like optic atrophy, the pupil will not dilate.
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Motion sickness drugs: Medications like Dramamine can lead to dilated pupils in some people. Muscle relaxants: Some sedatives will cause your pupils to get larger, and barbiturates or related muscle relaxants can cause mydriasis.
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Astigmatism in only one eye may cause lazy eye (amblyopia) if present from birth. The affected eye does not 'learn' how to see because the brain ignores the signals it receives. Amblyopia can be treated with eye patching if diagnosed early enough, before the vision pathways in the brain are fully developed.
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['Am I at risk for developing an eye disease?', 'What tests will we be doing today, and do they include a dilated eye exam to check for diseases such as glaucoma and macular degeneration?', 'How should I best monitor my eye health?', 'How often do you recommend I return for a comprehensive eye exam?']
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Dilated pupils are a sign of concussion. This can happen when the body is under stress due to excitement, nervousness or anxiety. However, when one pupil is more dilated than the other, it could be the sign of a structural brain injury that requires immediate emergency attention.
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When your pupil shrinks (constricts), it's called miosis. If your pupils stay small even in dim light, it can be a sign that things in your eye aren't working the way they should. This is called abnormal miosis, and it can happen in one or both of your eyes.
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Dilating eyedrops (called mydriatics) are used to dilate, or enlarge, the pupils of your eyes so that your eye doctor can see the inside of your eye in detail.
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Red eye is caused by the dilation of tiny blood vessels in the eye. Blood vessels that are normally invisible or nearly invisible can suddenly become swollen. Thus, red veins become visible in the eye. You are at greater risk for developing red eye if you also engage in certain unhealthy habits.