When the proofs are confirmed about his crimes, without delay the authorities should punish with consider the two things:
For the victim:
The victim, should be convinced himself that the judgement we got for our loss happened becuase of this criminal and
For the society,
The Authority think about to proct the society from such crimes in future by giving a suitable punishement for that criminal.
So if victim lost his eye, the criminal should also become eyeless. this will make the victim to be satisfied and will not plan for involve any "tit-for-tat".
For the society if the criminal wiht "eyeless" comes in the society people will think about him and they will be aware by carefull with that criminal and also they also will not do involve themeself in the same criminal.