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8 votes
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Are computers bad for health?

Like all things too much of anything is bad for you. As a designer working in the tech industry for over a decade, here's a few things I experienced and that might (I hope not) impact you. wrists ...
Blue Ocean's user avatar
6 votes

How can I protect my eyesight when using computers?

The Vision Council, which represents the manufacturers and suppliers of the optical industry, suggests the following tips to prevent and lessen digital eye strain: Adjust the brightness of your ...
kenorb's user avatar
  • 4,705
6 votes
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What does eye power -6 means and how close to blindness is it?

Your units of measure are likely "diopters." If someone needs glasses for reading (because the person is far sighted), then they would be given an prescription with a +[digit], and note that each eye ...
Brandon's user avatar
  • 76
6 votes

What causes the cornea to change shape in astigmatism?

The specific cause of astigmatism is unknown. It can be hereditary and is usually present from birth. It can decrease or increase over time. - American Optometric Association You might've had it ...
kit's user avatar
  • 828
6 votes
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What is the use of these green and red lines on Snellen/Eye chart?

These two lines can be used to detect color blindness in which red cannot be distinguished from green (deuteranopia). The person tested, often a child in that case, must be able to name the colors of ...
jlliagre's user avatar
  • 206
5 votes
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How can doctors remove a stye without damaging the eyeball?

What is a stye? A stye is an infection of the sebaceous glands at the base of the eyelashes or the apocrine sweat glands on the margin of the eyelid. Styes are caused by the gland becoming blocked by ...
Wad Cheber's user avatar
5 votes
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Can crossing my eyes damage them?

It is actually a pretty common myth that crossing your eyes too much or for too long will make them get stuck that way. Crossing your eyes does look very similar to strabismus which is an actual ...
michaelpri's user avatar
  • 7,747
5 votes
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What causes optical floaters to be more or less visible?

[S]ometimes they become more prominent again, usually for a few minutes at a time. Is this a difference in perception (something is causing me to notice them more) or a difference in placement (they'...
anongoodnurse's user avatar
5 votes

Is Myopia Reversible/Curable?

Myopia, or nearsightedness, occurs when the eye grows too long from front to back. According to the American Optometric Association, Myopia occurs if the eyeball is too long or the cornea (the ...
Taylor's user avatar
  • 958
5 votes
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How to reduce the side effects of wearing contact lens?

Questions 1-2 Unfortunately, the answer to these depend on the exact brand and line of contacts used. For example, here is a long list of silicon hydrogel lenses, and how long they last. Here is ...
argentum2f's user avatar
5 votes
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Can colorblind people see any types of images that normally sighted people have a hard time with?

Yep, in fact there is a 'Reverse Color Blind Test' that is difficult for normal sighted people to pass but is relatively easy for colorblind people to pass. Here's an example: BTW, the word is "...
BobT's user avatar
  • 166
4 votes

What does eye power -6 means and how close to blindness is it?

I am going to assume with - 6 you mean a measurement of - 6 Dioptre . If you are talking about the strength of the glasses he needs, the minus indicates that this eye is nearsighted, a positive value ...
YviDe's user avatar
  • 6,982
4 votes

What do bags under the eyes mean, and what causes them?

To the best of our knowledge, it just happens to some people and it's harmless. With aging, the tissues around your eyes, including some of the muscles supporting your eyelids, weaken. Normal fat ...
YviDe's user avatar
  • 6,982
4 votes

Are there behavioral causes for myopia?

I think the best known environmental risk factor (to date) for myopia is lack of intense/outdoor light exposure. The pathway for this is reasonably well understood, namely: lack of intense light ...
Fizz's user avatar
  • 5,928
4 votes
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Astigmatism eyeglass lenses -- how much distortion is normal?

According to my eye doctor, this much distortion is not normal. He checked the strength of my glasses and they were not made according to the prescription: the OS astigmatism correction was -0.50 ...
Mooseman's user avatar
  • 321
4 votes

Is it ok to not wash a contact lens?

Much like you probably won't catch a cold every time someone sneezes on you, you also most likely won't get an eye infection every time you neglect contact lens hygiene. We all did it at some point, I'...
mismas's user avatar
  • 107
4 votes

Is there an antagonistic pair of muscles in the eye?

The eye is formed by three layers. From the outside to the inside, you have: The fibrous layer: formed by the cornea and the sclera. The vascular layer: formed (from posterior to anterior) by the ...
astrocito's user avatar
4 votes
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What is the difference between fundus image, fundus photography and retinal image?

Fundus photography and fundus images are pictures of the retina. The fundus of the eye is just the interior surface of the eye opposite the lens, so it includes the retina as well as the optic disc, ...
Melissa Y's user avatar
  • 379
3 votes
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How can I tell if a soft contact lens is inside out?

There are a few ways to check that, allaboutvision.com has some great information on various ways to check the orientation of a contact lens: Method 1: The Side View If your contact forms a ...
Klaudio's user avatar
  • 54
3 votes

Do computer glasses actually work?

No one likes CVS, and computer glasses are said to increase contrast and decrease glare to alleviate eye stress. If you are sure you will be using the computer in the future for prolonged periods and ...
nelomad's user avatar
  • 647
3 votes
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Can non-visible light still have effect on your eyes?

I'm an Electrical Engineer not a doctor but I've some knowledge about IR. Although you can not see it, IR is electromagnetic waves and it carry heat to your eyes. So, The eyes is negatively affected ...
user2824371's user avatar
3 votes

Is it ok to use sterile eye drops every day

Not sure what you mean by sterile eye drops? Most eye drops are sterile formulations so you do not introduce bacteria or pyrogens into your eyes. Regardless, I looked into the product Clearine and ...
TheChinBurglar's user avatar
3 votes
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Are flashing bike lights likely to cause a seizure?

Note: Part of this answer comes from personal experience. Judge as you wish. I have a condition similar to epilepsy, that has caused me to experience a number of seizures over time (ranging from ...
HDE 226868's user avatar
  • 1,848
3 votes

Which background color is better for eyes while working on computers for a long time?

Reading is better for dark text on light background than for light text on dark background. We investigated the underlying mechanism by assessing pupil size and proofreading performance when ...
pericles316's user avatar
3 votes
Accepted

How is the eye score interpreted?

The information you provided Right lens Sph -0,50 Cyl -0,50 axis 10 Left Lens Sph -0,50 Cyl -0,50 axis 170 Type CR39 SN ARC is a little bit clearer than you can sometimes see. When you look ...
Chris Rogers's user avatar
  • 6,154
3 votes
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Safe and state-of-the art method of laser vision/eyesight correction/surgery?

Brief description: LASEK and LASIK - cut a flap in the eye, use a laser to remove material underneath to reshape the lens and correct vision. LASIK has been around for a while, so there have been a ...
argentum2f's user avatar
3 votes

Is there any homeopathic solution for heredomacula degeneration

Homeopathy is a pseudosience with no proven effectiveness in treating any condition. Degenerative diseases are hard to treat, but don't lose hope that new research will discover a treatment that works ...
Variax's user avatar
  • 414
3 votes

why is it not allowed to take aspirin based medicines before a day and after a week of cataract surgery?

Aspirin has a "blood thinning" effect; it inhibits platelet aggregation. Therefore, it gives a higher risk of bleeding in the period surrounding the surgery. I have not found a review about ...
Tami's user avatar
  • 441
3 votes

How to diagnose myopia in a 2-year old?

Refractive errors can be detected by using an ophthalmoscope. To get an accurate measurement you can do streak retinoscopy. https://www.ncbi.nlm.nih.gov/pubmed/16020274
Graham Chiu's user avatar
  • 13.2k

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