There are many options available after your Cataract surgery. There are different types of IOLs and after implanting any IOL, one may or may not need glasses as it depends upon the category of IOL.  For example, with Monofocal lenses, specs are required, but with Multifocal lens, eyeglasses are not needed.

Yes, if it is not treated, there is a constant loss of vision and the patient becomes legally blind or completely blind.

No, it is common for patients to be late for Cataract operation. Cataract surgery is not necessary until it starts affecting your daily life. Many people live with Cataract for years before having surgery. They may require more light, magnifying glass, or additional assistance to read.

Although the chances of side effects or complications are very low, there may be some trouble if you have diabetes or high blood pressure. Before surgery, your ophthalmologist will do all the necessary tests to make sure that you are suitable to have Cataract surgery.

Cataract surgery is painless, as the patient gets local anesthetic.  Some patients may experience a little discomfort, but for most patients the procedure is painless. Eye surgeons take considerable precautions to minimize the pain.