Nandini, for admission to navy, their are different eligibility criterias for different posts in technical and non technical branches. It varies for Uncorrected Vision, Corrected Vision, Limits of Myopia, Limits of Hypermetropia, Binocular Vision, Limits of Color Perception. If your eye power is within the prescribed limits, you can surely get into navy.

To find out the detailed list of physical fitness eligibility criteria, check out the official website link https://www.joinindiannavy.gov.in/en/page/medical-physical-standards.html

I hope this helps you!