Optometry deals with treatment of ailments related to the eye. An Optometrist deals with deals with vision and eye care and sometimes also involved in eye research.
They are responsible for conduction of surgeries, apart from prescription of eye glasses. Optometrist are required to carry out a year of internship, and has to undergo minimum 3 years of hospital based training to gain hands on experience in treatment of eye disorders. They also have to keep themselves updated in the field of eye related ailments and treatment procedures which involves delicate instruments.