Koga & Ng (San Francisco, CA 94102-6013)

• Why my transition lens didn't change in the sun?

  May be you get a fake one. Go to the place where you bought them and ask for a replacement.

• Can I change my current lenses into Transition lens?

  No. You need a new pair of transition glasses. Transition lens is unlike other coatings which can be added to the lens. It has the ability of changing the color in the material of the lens.

• How to reduce the lighting glare from glasses?

  You can solve this by adding an anti-glare coating to your lenses.

• Can using eye drops everyday really protect your eyes?

  No. Using eye drops everyday will make your eyes relay on them. Most eye drops contain anticorrosive which can cause eye diseases if you use eye drops everyday.

• Can playing badminton or pingpong improve your vision?

  It is possibly that your vision will get imroved by playing badminton or pingpong.Because the eyes need to see far and near alternatively and move around fast to enable you to see the objects.Then the eye muscles contract and relax frequently to promote the blood circulation in your eyes. Your vision acuity may get improved by this way.

• Is there a kind of glasses that can do the computer work and reading both?

  Computer bifocals can meet your both needs for computer use and reading. You can get them from your opticians.

• Is it true that you should not wear contacts when getting a cold?

  Yes. When you get cold, your eyes will get infected and some germs are easy to develop in your eyes. If you wear contacts, the germs will spread to your contacts. Then your eyes may feel really uncomfortable or get irritated while wearing them.

• Is it useful to use transition lens when working on a computer?

  Transition lens only change the color when UV rays hit its surface. Computer is often used indoors. So when you work on a computer with transition glasses, your glassess won't change the color and won't protect your eyes. You'd better get a pair of computer glasses for comupter use.

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