Presbyopia is a part of human aging and often causes a lot of trouble for the patient. One day when you or a family member needs to hold a book or newspaper far away from your eyes to be able to see the words clearly, or often confuses numbers, then presbyopia may have "visited". So what is presbyopia and how to fix it?

Farsightedness is one of the common refractive errors. Although farsightedness is less common in children than nearsightedness, it can cause severe visual dysfunction such as amblyopia, strabismus, and binocular visual dysfunction. Parents should be alert to farsightedness in children if their children have the abnormal signs mentioned in the article below.