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Doctor insights on: Disturbed Color Vision

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Whats "impaired" color vision?

Whats "impaired" color vision?

Imperfect perception: Impaired color vision is when a persons color perception is more limited than a "normal". The degree of impairment is related to the degree of inability to distinguish color differences. There are good tests to make this determination. in your ophthalmologist;s office ...Read more

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Dr. Richard Bensinger
1,740 doctors shared insights

Vision (Definition)

Vision is a feature of a person's brain that allows him to see. He must have normal eyes, optic nerves (that stretch from the eyes to the back of his brain), and visual cortex (the vision center in the brain), in order to see properly. An ophthalmologist is a ...Read more


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Can eye color change?

Can eye color change?

Unusual: Eye color change in adults can signal a specific type of glaucoma. But very often, it seems that the eye color lightens, but this is due to haze in the cornea that can come with aging. ...Read more

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What is "impaired color vision"? Something like color blindness?

What is "impaired color vision"? Something like color blindness?

Color perception: Color vision can be altered in the usual way by inherited defects in the color perceptive elements of the retina. But advanced retinal disease like diabetes can impair color recognition; and changes in the color of the lens, and a few odd types of strokes and optic nerve disease all can alter color recognition patterns. Your ophthalmologist can sort this out for you. ...Read more

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Funky vision problems. Prisms, flashes of light, etc?

Funky vision problems. Prisms, flashes of light, etc?

Migraine: Sounds like typical ophthalmic migraine, but retinal tear or occipital avm are in the differential- see an ophthalmologist promptly. ...Read more

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What is impaired color vision?

What is impaired color vision?

Color mistakes: Mostly this is an impaired ability to recognize colors across certain color confusion axes. This is usually inherited and there is no treatment. It occurs mostly in males -7%- and also in females -1%-. But there are acquired forms in generalized retinal disease like diabetes or in optic nerve disease. Your ophthalmologist can sort this out. ...Read more

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Might eyes change colour overtime?

Might eyes change colour overtime?

Yes: Yes they can change. Most of the color change happens during the first two years of life. ...Read more

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Do color tinted contacts change your vision any?

Rarely: Color in contact lenses for cosmetic purposes does not change the vision. There are a few deeper tinted lenses for specific purposes which can change the vision but that would either be the purpose of the lens or something the ophthalmologist who prescribed the lens would outline for you. ...Read more

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What could auras, vision blackouts, sparkles in vision and vision loss indicate?

What could auras, vision blackouts, sparkles in vision and vision loss indicate?

Auras, visual issues: Indicate the need to see an eye doctor or your family doc ASAP. The sooner this is treated the less likely it is to create permanent damage. Peace and good health. ...Read more

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How come black eyes don't cause permanent eye color changes?

How come black eyes don't cause permanent eye color changes?

The darkness of : Skin around the eyes that comes from bruising is eventually absorbed back into the body. ...Read more

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Someone became blind from cataract, would their eye color change?

Someone became blind from cataract, would their eye color change?

Might turn white: An advanced untreated cataract will eventually turn white in the pupillary space. If still untreated, some will dissolve and lose the white color but more often will rupture and set up a terrific inflammation inside the eye. In this era, cataract removal is so predictable and safe that advanced cataracts should be rare. ...Read more

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Do color blind people lack cones?

Do color blind people lack cones?

No: Color blind people have a set of rhodopsin light receptive pigments that are shifted in spectrum, giving a narrower range of color perception. Except for a few very rare forms, they have a normal cone count and so their acuity is normal. ...Read more

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Temporary blurry vision with blind spot in right eye?

Temporary blurry vision with blind spot in right eye?

See an eye MD: It might be nothing or something as simple as a migraine. But it also could represent a blocked blood vessel that supplies the eye (almost like a mini stroke). You need to see an ophthalmologist who will determine whether any additional testing is required. ...Read more

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Could glasses/contacts cause permanent vision changes?

Could glasses/contacts cause permanent vision changes?

Not really: Both glasses and contact are corrective devices for vision correction. It help a person to see clear by correcting refractive error. A person's vision could change with time or under certain conditions. Then the person will need to adjust his/her correction with new glasses or contact lenses. ...Read more

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Lt.eye mac.pucker.Corrected vision 20/40 µpsia.Amsler grid nl.Corrected vision 20/40.Age 69.Could the macuar pucker cause micropsia?Rt. eye20/30.

Lt.eye mac.pucker.Corrected vision 20/40 &micropsia.Amsler grid nl.Corrected vision 20/40.Age 69.Could the macuar pucker cause micropsia?Rt. eye20/30.

Micropsia: Yes, it can if the macular pucker is severe enough. Micropsia is a condition in which objects are perceived to be smaller than they actually are. Micropsia can be caused by optical factors (such as wearing glasses), by distortion of images in the eye (such as optically, via swelling of the cornea or from changes in the shape of the retina such as from retinal edema,macular degeneration, and more ...Read more

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What causes foggy vision in bright sunlight?

What causes foggy vision in bright sunlight?

Difficult to answer: The most common cause for foggy vision in bright sunlight is a cataract; this is a clouding of the lens of the eye that happens with age. This is very treatable with glasses or surgery. Please see your eye surgeon for an evaluation and good luck! ...Read more

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How do cloudy vision & blurred vision differ?

How do cloudy vision & blurred vision differ?

Pathology v.glasses: Cloudy vision is generally defined as vision uncorrectable with eyeglasses and therefore due to some underlying eye pathology. Blurry vision is usually thought of as uncorrected vision from a need for eyeglasses which clears up the vision. ...Read more

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Child 8 no appetite weight loss dizzy episodes grey skin colour changes blue lips then ok again, having funny spells vision blacks out dark sunk eyes?

Child 8 no appetite weight loss dizzy episodes grey skin colour changes blue lips then ok again, having funny spells vision blacks out dark sunk eyes?

Distress.: The child sounds in distress and needs to be taken to ER immediately. There are many possibilities such as juvenile diabetes, cardiac or lung problems, infection, thyroid issues, adrenal crisis etc. but the child needs IV fluid and immediate work-up and most likely hospitalization. Don't delay. ...Read more

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Sparkly eye, hazy vision, sensitive to light?

Sparkly eye, hazy vision, sensitive to light?

Migraine: Likely migraine. Rarely TIA or occipital lobe seizure- depends on your age and how long its been going on. ...Read more

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Vision loss in one eye getting worse. Blurring, floaters, night driving problems?

Vision loss in one eye getting worse. Blurring, floaters, night driving problems?

Floaters: It sounds as if you have had a posterior vitreous detachment. This is a situation where the vitreous(jelly) of the eye detaches (not a retinal detachment), it then "crumples" up leaving dots, spots, strands of blurry vitreous; i.e. The "floater". You should have an exam to ensure the incident did not tear the retina, which could lead to a retinal detachment. ...Read more

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How can people with normal color vision see the world?

Normally: This is the fortunately typical case. The eye takes in the visual input, converts it to an electrical signal which goes to the brain for interpretation and the picture of the world is generated in your consciousness. If the color vision is normal, than the image is fully color. ...Read more

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Can someone tell me how people with normal color vision see the world?

Normally: I am guessing that you yourself are color deficient in some way. We define the spectrum of what is seen by the "normal" as normal color vision. Such a person can make distinctions between colored objects that you will not find possible. This can be demonstrated to you but unfortunately since you lack that ability, it will not have great significance for you. ...Read more

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Does being exposed to green lighting (or some other color) 40hrs a week damage or alter my cones or color vision?

Does being exposed to green lighting (or some other color) 40hrs a week damage or alter my cones or color vision?

No: If the exposure is prolonged, you might experience some altered color vision aftereffects but the eye quickly remanufactures the proper light receptor pigments and the color vision you had before will be restored. ...Read more

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Whats "impaired" color vision?

Imperfect perception: Impaired color vision is when a persons color perception is more limited than a "normal". The degree of impairment is related to the degree of inability to distinguish color differences. There are good tests to make this determination. in your ophthalmologist;s office ...Read more

See 1 more doctor answer
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What is impaired color vision?

Color mistakes: Mostly this is an impaired ability to recognize colors across certain color confusion axes. This is usually inherited and there is no treatment. It occurs mostly in males -7%- and also in females -1%-. But there are acquired forms in generalized retinal disease like diabetes or in optic nerve disease. Your ophthalmologist can sort this out. ...Read more

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How is this color vision test taken?

Using a color chart: Using a standard color chart with colors easily distinguishable they are pointed to and you are asked to identify the colors. This test is done to identify color blindness which is a hereditary condition. ...Read more

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What is "impaired color vision" like?

Dull colors: Colors will seem duller and in some cases grey or black instead of the true color. ...Read more

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Could you explain what is "impaired color vision"?

Poor color recogniti: Impaired color vision comes from several inherited forms (90% in males) with poor distinction between ordinarily easily recognized color differences. It can also occur with advanced retinal disease and a few rare CNS diseases. In all cases, even with good acuity, colors will be confused. ...Read more

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What is the definition or description of: Impaired color vision?

What is the definition or description of: Impaired color vision?

Below normal tests: Color vision is tested by a variety of standardized testing devices and plates. Impaired color vision is when there is failure to achieve a score of normal on the testing device used. Most color deficiency is inherited but may also be caused by advanced retinal disease such as in diabetic retinopathy, and it may even be caused by certain brain strokes termed cortical color deficiency. ...Read more

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What is the best treatment for color vision?

What is the best treatment for color vision?

None: There are colored lenses and contact lenses which can shift the axis of color perception so that you might correctly identify some color vision test plates that you would miss with the naked eye. But these devices shift your deficiency to a new axis; they do not treat the condition which is permanent and usually inherited. ...Read more

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Who should be tested for color vision deficiency?

Who should be tested for color vision deficiency?

Security, drivers: Good color vision is vital for recognizing various lights and signals important to pilots, especially at night. These tests are required by, among others, the coast-guard and most military and emergency services. Unfortunately, if you really are colorblind, there is very little you can do to pass these tests. ...Read more

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Can women also suffer from color vision deficiency?

Can women also suffer from color vision deficiency?

Yes: Most color deficiency is a sex linked trait much more common in men. But women can inherit both deficient genes which will give them some degree of color deficiency. But it is around 1/2 percent of women v. 8 % of men. ...Read more

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Is there any related color vision problem associated with visual field defects?

Not directly: Some may have significant field defects with enough loss to compromise the color receptive portions of the retina. An example is retinitis pigmentosa, an inherited degeneration of the retina causing construction of the field of vision and loss of color vision. Ordinary color vision deficits are genetically determined and do not occur with field defects. ...Read more

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Describe signs, testing, causes, types and disadvantages in color vision deficiency?

Describe signs, testing, causes, types and disadvantages in color vision deficiency?

Too broad: No disadvantage except you can't be a fighter pilot or work in navy and your clothes tend to clash. ...Read more

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I feel headache, impaired color vision and lightheadedness what could be?

I feel headache, impaired color vision and lightheadedness what could be?

It is likely your: Impaired color vision has been with you since birth as it is in many males, and therefore unrelated to the headache and lightheadedness. If severe or associated with nausea, vomiting or fainting get to the emergency department quickly. If not and persists for more than a couple days, unresponsive to acetamenophen then see your doctor. ...Read more

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What treatments are available for color vision deficiency?

May improve a little: There is no way to correct a person's color vision deficiency (color blindness), because his eyes are genetically unable to perceive certain colors (certain wavelengths of light). There have been contact lenses and glasses that alter the intensity or contrast among colors that the color blind person can see. With improved contrast, the person may distinguish objects, letters, or words more easily. ...Read more

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Does color vision noticeably change after undergoing surgery for cataracts?

Does color vision noticeably change after undergoing surgery for cataracts?

Sometimes: It depends on the type of cataract and how dense it was. I frequently have patients tell me that colors are brighter and more vivid following surgery. ...Read more

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Does malnutrition give you a type of color blindess or poor color vision?

Does malnutrition give you a type of color blindess or poor color vision?

Unlikely: Color vision may be altered by profound lowering of the vitamin a level but this is almost impossible to do with the western diet. If you have color deficiency it is probably due to inherited changes or advanced disease of the retina or optic nerve. ...Read more

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How long does it take to regain color vision after stopping medication that was causing color blindness?

How long does it take to regain color vision after stopping medication that was causing color blindness?

Color blindness: The color hue from certain medications should reverse with stopping that medicine. There are some medications that if the color vision has been affected then the damage is done and not reversible. The color vision defect with these is more advanced. ...Read more

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What is "impaired color vision"? Something like color blindness?

Color perception: Color vision can be altered in the usual way by inherited defects in the color perceptive elements of the retina. But advanced retinal disease like diabetes can impair color recognition; and changes in the color of the lens, and a few odd types of strokes and optic nerve disease all can alter color recognition patterns. Your ophthalmologist can sort this out for you. ...Read more

See 1 more doctor answer