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• Do polycarbonate glasses get scratched easily?

  Yes, it is true. Polycarbonate can get scratched even you are cleaning them. Some people scratch their lenses by cleaning them with paper towel. So you should be much careful with the polycarbonate lens and it is better to add an anti-scratch coating on it.

• Can I wear gradient sunglasses for driving?

  Yes, you can use it for driving because the clear part on the bottom won't dim your view of the dashboard. But they are not effective in reducing glare when driving at night.

• How to choose frames that fit my face?

  To choose a good frame that fit your face, the try on process is very important. You should make sure that the nose pads fit snugly against the nose so that the glasses don’t slip, and that the temples fit the ear closely.

• Why do I have eye strain when using computer?

  When you do too much work on computer, it will make your eyes tired. What's more, when you concentrate on the computer, you often blink less, which will make your eyes easy to dry out. So you often get eye strain when using computer.

• How to choose proper lens according to different prescription?

  Your prescription is not so strong. People who have prescription strength from -300 to -500 can choose the 1.56 to 1.59 lens, which can fit your power properly.

• Can anyone know the symptoms of presbyopia?

  The early sign of presbyopia is that you can't see close up things such as reading. If you are over 40, it is possibly that you have got presbyopia. Other symptoms include eyestrain, headaches or feeling tired from doing up-close work.

• My eyes are still red and sore after a few weeks after cataract operation?

  As the surgery is successful, I think it should not be surgery complication. It may be caused by conjunctivitis or a dry eye. You can try to use antibiotic eye drops first. Otherwise you need to see the doctor.

• What are the symptoms of Diabetic Retinopathy?

  In the early stage of diabetic retinopathy, there is no obvious sign that can tell whether or not you have the condition. But in the later stage, you could suffer Fluctuations in Vision, Floaters, Blurred Vision, Sight Loss. But some symptoms can come and go.

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