As per my understanding, it depends on the type of entry you are opting for. Also LASIK surgery can help you, (if, everything goes right - it has its own sideeffect).
so my suggestion would be to approach a military hospital/doctor and clarify your doubts before proceeding.
I am not a medical expert so will not give you any specific info but instead I will suggest you to take a expert opinion before deciding on the fact.
Here is the link of official medical policy of indian army for officer entry.
https://joinindianarmy.nic.in/policies.htm
As per my understanding, it depends on the type of entry you are opting for. Also LASIK surgery can help you, (if, everything goes right - it has its own sideeffect).
so my suggestion would be to approach a military hospital/doctor and clarify your doubts before proceeding.
Good luck.