Yee Annie OD (Sacramento,CA 95823)

• Do you have to wear glasses all the time if you have astigmatism

  You can get contacts. I've been wearing RGP (hard) contact lenses for 2 years now. I couldn't stand the weight in the soft contacts, or having to wear glasses all the time. They're pretty uncomfortable for 2 weeks but I'm so happy I made the switch.

• How to prevent marks on your nose from sun glasses?

  You can take your sunglasses to your optometrist. He will affix cushioned nose pads to your sunglasses so that your nose does not directly contact with the nose pad of your sunglasses. Then it can prevent marks on your nose.

• How long can contact lenses be stored in same solution without wearing them?

  You'd better change the solution everyday. Some people will store their lens in the same solution for 3 days. Anyway, you should change the solution at least once a week.

• Are there extended wear contacts for astigmatism?

  Yes. There are a wide variety of contact lenses available for astigmatism, including hard, soft and extended wear. You can go to your nearby optical store to ask. But extended contacts are not always safe to wear although they are designed for long time wearing.

• Do contact lenses only come in one size?

  NO, contact lenses can come in different size. Usually contacts for astigmatism are larger than normal contacts. Also the thickness can be different to fit your eyes because people have different base curves.

• What can I do to keep my eyesight from getting worse?

  The most important thing you should do is to avoid too much close work such as playing computer or reading. Don't always stay up late and do exercise regularly to keep a healthy body. Your overall health is also important to maintain your vision.

• Can I buy contact lenses for an astigmatism over the counter?

  It is against the law to sell you contacts without doctor's prescription and also there is no over the counter contact lenses. All prescription contact lenses are made based on your prescription.

• Why does eating carrots improve night vision?

  Rhodopsin is important in color detection. Light-sensitive, purple-red organic pigment contained in the rod cells of the retina that allows the eye to see in black and white in dim light. It is composed of opsin, a protein, linked to retinal, a conjugated molecule (see conjugation) formed from vitamin A. So eating carrots which are high in vitamin A can help improve night vision. source? http://wiki.answers.com/Q/How_do_our_eyes_see_color#ixzz1vUUWr0S5

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