vision

Vision refers to the ability of the retina to distinguish images. The quality of vision is determined by the size of the retina's ability to distinguish images. Protect eyesight: Press the eyeball method. Close your eyes, gently press the eye with the index finger, middle finger, ring finger, or you can rotate the squat. It won't last long or it will be pressed hard, and it will stop in about 20 seconds. Basic Information Specialist Category: Ophthalmic Examination Category: Applicable gender: whether men and women apply fasting: not fasting Tips: When checking: Relieve your eyes. Normal value Many people think that as long as the vision can reach 1.0 or more, it is normal. In fact, the visual acuity of 1.0 can only indicate that part of the person's vision is normal. The standard of normal vision also includes the following: 1. central vision; 2. peripheral vision; 3. stereoscopic vision. Clinical significance Abnormal results myopia, hyperopia, amblyopia. Need to check patients with vision problems in the population. Precautions Forbidden before the examination: Indiscriminate medical advice. Requirements for inspection: Relax your eyes. Inspection process Protect eyesight: Press the eyeball method. Close your eyes, gently press the eye with the index finger, middle finger, ring finger, or you can rotate the squat. It won't last long or it will be pressed hard, and it will stop in about 20 seconds. Not suitable for the crowd Inappropriate people: Amblyopia examiners belong only to children.