Cataracts are an eye condition when the lens of the eye develops cloudy patches of protein that obstructs passage of light in the lens. Over time, these patches usually grow bigger causing blurry vision.

Cataract surgeries are conducted for the treatment of cataract. the procedure usually takes as little as 20 minutes to complete. Nepal's opthalmologist Dr. Sanduk Ruit developed very cheap intra-ocular lens(IOL). Dr. Sanduk Ruit’s affordable intraocular lens revolutionized cataract treatment by providing a low-cost, high-quality solution to replace clouded lenses, restoring vision for cataract patients. This innovation made cataract surgery accessible in low-resource settings, helping millions worldwide regain their sight. For such great contribution, he is honored with many national and intenational awards.