1. What are the causes of a cataract?
The major causes of cataract are age- or injury-related changes in the tissue making up the lens of a human eye, inherited genetic disorders, past eye surgeries or medical conditions, such as diabetes. A continuing administration of steroid medications is also associated with the development of cataract.
2. What are the early signs and symptoms of a cataract?
The perceived signs and symptoms of cataract are blurry vision, increased difficulty in seeing during night, increased reactive response to light, the requirement of brighter light source for reading and sudden changes in the power of eyeglasses or contact lens.
3. Can cataract be completely cured?
Cataracts are treatable with surgery, but not curable. Monitoring and routine check-up of eyes and lifestyle changes are advised for cataract. Thereafter, the affected lens of eyes are surgically removed.
4. Who is at a high risk of cataracts?
Ageing is the most common risk factor for cataract. Other risk factors include diseases, such as diabetes, and certain medications, such as steroids.
5. How is cataract diagnosed?
Visual acuity test and slit-lamp examination are employed by an eye doctor to determine the signs of impairment along with other symptoms of cataract. An ophthalmoscope or a slit lamp is employed by an optometrist or eye doctor for the evaluation of lens for cataract symptoms.
The clear lens of the eye becomes cloudy and causes blurred vision known as a cataract. Cataracts develop usually at the later stage of life. The cloudy lens can be replaced with a clear artificial lens and it is a minor outpatient procedure.
A cataract is caused due to building up of protein in the lens of an eye and hence make it cloudy and blurred. The different causes of cataracts are:
The eye doctor will conduct a test to examine the function of the eye. The doctor will also dilate the pupil to check the lens and other parts of the eye. The patient is asked to get glasses or contact lenses for the appointment.
There is no proven way to prevent cataract as there are no specific causes.