Wall Medical Group (San Francisco, CA)

• Advantages and disadvantages of rimless and semi-rimless glasses?

  Pros :they are much more lightweight and greatly ease the pressure on the bridge of nose and eyes.There are no frames that will distract your eyes to see objects and have a wider view. Cons: Less sturdy, easy to get broken when falling down.Their price is higher than other glasses frames .The lenses can gradually disintegrate on the side where the screws are situated and finally the lenses can drop.

• Are thick lenses available for semi rimless glasses or rimless glasses?

  Sure you can. But you need to pay much more money to it cuz you need to choose the high index lenses to make in semi rimless or rimless glasses.

• Do sports sunglasses block your vision?

  If sports sunglasses can block your vision ,they are useless for you . Generally speaking ,a pair of good quality sports glasses won't block your vision .But if they are too small for you , your peripheral view may be affected to some extent . when you are looking left, right, up, or down, you don't usually only move your eyes,your head moves too so the glasses won't block your vision.

• Is it ok to take my glasses on and off couple times during the day ?

  It is decided by your prescription power, if you have strong strength, it is not OK to take your glasses on and off couple times or it will make you prescription worse. But if you have weak strength, you can do that to make your eyes less strain.

• What is the piece that sits on the nose called and where to buy?

  It is nose-pad. Go to your nearby optical store to have a look.

• Where to buy computer glasses?

  If you wear prescription glasses you need to have eye exam before buying. Buying on high street is more inexpensive than buying from optical stores.

• How to convert contact prescription to eyeglass prescription?

  Yes,of course they can convert.There should be a formula to calculate it.Google it or call your doctor to ask.

• Do polarized sunglasses protect your eyes better?

  Polarized sunglasses are quoted with a special material, which let useful detailed optical information through while blocking out glare that might hurt your eyes. But this polarization has nothing to do with UV protection. So they don't "protect" your eyes better.

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