Yes, it is possible to delay the progression of cataract by using eyedrops. This is reserved for people with mild cataracts only. These eyedrops need to be used 3-4 times daily.
At the same time, you may update your spectacle prescription to improve your visual blurring if possible. However, using the eyedrops will not be able to reverse or take away your cataracts completely. Ultimately, cataract surgery is still the only definitive way to remove your cataracts.
