In very advanced stages, the protein lumps in the lens start getting clumped close together. This leads to an opacity which can be seen as a white dot in your eye by others. You can see this white dot in the mirror too, provided your other eye still has some clear vision left.
Hello, Aapke father ki aankhon ka operation karwana hai, pehle yeh samajhna zaroori hai ki kaun sa eye condition hai (jaise cataract, retina problem,...