It is very important to protect our eyes, but how much do you know about eye care? On October 27, ABC News answered nine common questions about eyesight, which is worth reading.
1. Is squinting harmful to vision? No. Dr. Jay Pippos, an ophthalmologist, said that squinting is mainly to make the pupil smaller, so less light enters the eye, enhancing focus and making things clearer. This action does not harm vision.
2. Will reading in dim light or with small print hurt your eyes? No. Dr. Richard Rosen, an ophthalmologist at the New York Eye and Ear Infirmary, stated that this claim is like "taking a picture in poor lighting damages the camera." When the light is dim, the human pupil enlarges, and the retina will not be damaged by the intensity of external light.
3. Sitting too close to the TV or staring at it for a long time...