What symptom does eye cataract have

summary

Cataract is a common disease in the elderly, of course, young people also occur from time to time. Cataract is a kind of eye disease caused by some changes in the lens. The occurrence of cataract is caused by genetic factors, but more is acquired. If the patient has cataract, we should start from the aspects of diet, eye use and vitamin supplement, so that the cataract can be controlled and treated. So what are the early symptoms of cataract? It includes the loss of vision, the fixed shadow in front of the eyes or the "improvement" of presbyopia and so on. Now let's introduce it in detail.

What symptom does eye cataract have

First: vision loss: this kind of vision loss is characterized by gradual aggravation and no pain. In very strong light (such as the light of the sun or very bright light), due to the contraction of the pupil, the light entering the eyes becomes less, which makes the patient's food more unclear when the light is strong than when the light is weak.

Second: there is shadow in front of the eyes: the patient can feel that there is a fixed and fixed fuzzy shadow in front of the eyes, and the shadow will be more obvious under the sunlight or light, which is a limited turbid condition in the early stage of the lens. However, we should pay attention to the visual blur caused by retinal detachment.

Third: "improvement" of presbyopia: patients feel that their eyesight has become "better" and they no longer need to wear presbyopia when reading books or newspapers, which makes patients have the illusion of improving their eyesight. However, in fact, this situation is not a positive improvement in vision, but because the nucleus of the lens hardens, causing myopia and offsetting hyperopia.

matters needing attention

Patients with cataract, to pay attention to diet: usually less alcohol, no smoking, do not eat sweets such as candy, eat less food with high cholesterol; Attention should also be paid to the regulation of eye use; There are also intake of vitamins: adequate intake of vitamin C, etc. More to timely medical treatment.