PRISM Optics Incorporated (Chicago, IL 60641)

• How does the lens thickness affect the look and fitness of glasses?

  The higher the prescription, the higher index is required for the lenses. Selecting a higher index will ensure your lenses are as light and thin as possible. This will improve the overall look (by being thinner) and comfort (by being lighter) of your eyeglasses if you are significantly nearsighted or farsighted. But for your power it is OK to choose 1.57 index lenses. Your power is read as you are near sighted, OD stands for the right eye while OS stands for the left eye. Your power for your right eye is -1.50, left eye: -1.25. CYL, cylinder is the diopters degree of the astigmatism which is showed as the middle value in your prescription, Right eye CYL: -0.50 Left eye CYL: -2.50 Axis is a number between 0-180 meaning the orientation of your astigmatism which is showed as the last number in your prescription. Axis for right eye:140, Axis for left eye:76.There is no sign before this number. ADD means near additon which is used for making single vision reading glasses, computer glasses, bifocal & progressive eyeglasses.

• What are the risks of having the Lasik Surgery?

  After several years, you may be treated with another surgery due to overcorrection or undercorrection that you got during the first lasik surgery. There are also the risks of being blind and having night driving difficulties. However, the chance you get the risk of lasik surgery is less than 1%.

• Any risks of lasik surgery?

  Commonly to say that lasik surgery is safe, but some people do suffer complications after the surgery. Some peolpe are troubled with dry eye, pain, blurry vision or have not been able to drive at night because of problems with glare.

• How to fix scratches on prescription sunglasses?

  Don't worry about that, it can be simply removed. First, wash the eyeglasses lenses carefully with hot water and spread soap on it to remove any dirt or residue. Second, spray a wood-cleaning spray onto your eyegalsses lenses.Third, wipe off the wood-cleaning spray with an eyeglasses cloth or soft cloth. Eyeglasses cloth has special fibers that don’t further damage or scratch glasses, including glasses with plastic lenses.Forth, spray a small amount of petroleum jelly over each scratch. This will coat the scratches and fill in the crevices, making them less noticeable.Fifth, Wipe off the petroleum jelly with an eyeglasses cloth. If you still see scratches, repeat the five-step process again. If your scratches are particularly deep, you may have to get your lenses replaced. Source:http://www.cheapglasses123.com/how-to-remove-scratches-from-plastic-glasses.html.

• Why do people still wear sunglasses even when it is not sunny outdoors?

  There are two reasons why do people wear sunglasses even it is not sunny outdoors.Even if the sunlight is not so strong, there is still noticeable UV radiations which can cause cataracts. Some people wear it just for fashion.

• Can I get Lasik surgery if I have a Toric contacts prescription?

  You can get LASIK surgery even if you have a Toric contacts prescription but the price is much higher than the regular one. You are not permitted to wear your contacts for a long time before the surgery cuz the toric contacts lenses are much thicker and can distort your cornea more than other contacts.

• Can prescription sunglasses be orange?

  Of course you can. you can get it tinted to any color you want.Orange is a nice color to protect your eyes from UV rays.

• Is the difference between prescription glasses and clear glasses readily noticeable?

  The prescription on the prescription glasses and the clear glasses makes the difference. The lenses for nearsighted people are thinner in the middle and thicker all around. But the lenses for farsighted people are thick in the middle and thinner all around. Some lenses for people who are slightly farsighted seemed to be alomst the same with non-prescription lenses.

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