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Do I still need eye exam if I have perfect vision?

Since you are over 40, you'd better have an eye exam every year though you have perfect vision. People who get old have more chance of suffering eye diseases. such as presbyopia, glaucoma and cataract. To keep your eyes healthy, you should have an eye exam at least once a year.

Which contact lens should I use for Astigmatism?

I know that toric lenses have two powers that can used for astigmatism and myopia or hyperopia. Since you only have astigmatism, a spherical soft lens will suit you fine.

I see a dark spot at the bottom of my vision?

The dark spot may be blood in the eye. The urgent thing is to see a doctor to find out the problem.

Which light can cause damage to your eyes more easily, fluorescent lights or incandescent lights?

Lights should not be too light or dim,otherwise they can cause eye strain easily.The incandescent lights are better for your eyes.

Does this mean I have astigmatism?

For people with astigmatism,they can't see both near and distant without squinting.They have difficulty focusing on printed words and lines.Sometimes they may have eye strain or headaches.For your case,I think it is not astigmatism.It is common if you stare at something for a long time.

I have blurry vision after being punched?

A punching in the eye can cause serious damage.It may be retinal detachments or bleeding.It is not late to have an exam to determine what the problem is.Just go to your doctor and have an exam.

Can one have astigmatism without having myopia?

Sure,it is possible for one to have astigmatism without myopia.There is not a connection between them.Often they don't occur together and most people have myopia without astigmatism.

How does the astigmatism affect vision?

Astigmatism refers to an abnormal, elliptical shaping of the front surface of the human eye, or cornea. Although it is part of the larger group of eye conditions known as refractive errors, a category that includes the more commonly known ailments of nearsightedness and farsightedness, astigmatism is neither a disease nor a certain cause of vision problems. Only in cases where the curvature of the cornea is severe enough to prevent the human eye from focusing in on light rays will corrective lenses possibly be required. Unlike nearsightedness or farsightedness, someone with severe astigmatism will experience distorted or blurred vision at both close and long range. They may also suffer from headaches, fatigue and other discomfort as a result of the abnormal curvature. Source: http://www.sophisticatededge.com/does-astigmatism-affect-vision.html