What is cataract

Cataract disease mainly occurs in the elderly. This is because it is related to the degeneration of body functions. After a patient develops cataracts, the lens of the eye will become cloudy, which will affect the patient's light collection and thus affect the patient's vision. When cataracts occur, they must be diagnosed and treated in a timely manner to avoid missing the best time for treatment.

1. What is cataract?

Answer: Cataract is the most common eye disease that causes blindness in the elderly. It refers to the lens in the eye changing from transparent to cloudy, blocking light from entering the eye, resulting in reduced vision. Severe cataracts can lead to complete blindness.

What symptoms may indicate cataracts?

No visual impairment

Myopia worsens, requiring frequent replacement of glasses

Double vision in one eye

There is a fixed black shadow in front of the eyes

Symptoms include gray or dark vision or fear of light.

3. What factors can induce cataracts?

Answer: Many factors can cause cataracts, and age is the most important factor. It can be said that as people get older, they all have cataracts to a greater or lesser extent, the only difference is the degree. In addition, genetics, excessive exposure to ultraviolet rays, excessive drinking and smoking, high blood pressure, diabetes, high myopia, trauma and certain inflammatory diseases in the eye can also cause cataracts.

4. How to prevent cataracts in daily life?

Answer: Maintain a regular diet and daily routine, have comprehensive nutrition, pay attention to the combination of work and rest, and get rid of bad habits in life, such as smoking, drinking, etc. These habits can increase the risk of lens opacities. Treat disorders that can cause cataracts promptly. Such as diabetes, hypothyroidism, etc. In addition, strong and prolonged exposure of the eyes to ultraviolet rays should be avoided.

5. Which groups of people are susceptible to cataracts?

Answer: It most commonly occurs in people over 50 years old, and the incidence rate increases with age. Cataracts occur relatively early in patients with diabetes or high myopia. In addition, some young patients, newborns, and infants may also develop cataracts.

6. How to diagnose cataracts?

Answer: If the patient has decreased vision, blurred vision, double vision, etc., he or she should go to the hospital's ophthalmology department for an eye examination, including vision, optometry, slit lamp and fundus examinations. Only after excluding other eye diseases that have caused decreased vision can it be determined whether the patient has cataracts and the extent of the cataracts, and further treatment measures can be formulated.

7. Is drug treatment for cataract effective?

Answer: Currently, both at home and abroad, the research and exploration stage is still ongoing. So far, there is no drug in the world that can treat cataracts. Some drugs may only slow down the development of cataracts, but cannot completely cure them. Therefore, surgery is the only effective way to treat cataracts. Some media and informal medical institutions often promote drugs for treating cataracts, but in fact they have no scientific basis. Some patients not only wasted money but also delayed treatment.