Do you know about reading glasses?
Many people for reading glasses have a lot of understanding of the misunderstanding, the following small make up to say to you with reading glasses I should have what common sense:
1. You must wear reading glasses after being tested by an ophthalmologist or optometrist.
2, with reading glasses need to test the distance between the eyes.
3, choose smoke or gray blue lens with light filter effect to protect the retina.
4, wearing reading glasses at 30 cm,can see the smallest word on the newspaper without object deformation, dizziness and other symptoms that reading glasses degree is appropriate
5,When wearing reading glasses for the first time, they feel uncomfortable symptoms such as target amplification,object deformation and dizziness, and most of them are too large reading glasses. On the contrary, although the thing is clear, but reading for a long time will appear eye fatigue for the lack of lens degree.
6, generally two eyes reading glasses degree can not be different more than 400 degrees.
7. Diabetic patients with reading glasses must control blood sugar to close to normal before matching glasses
8, oral or injection of sulfonamides, glaucoma drop pupil contraction. After the agent, do not rush with reading glasses.
