Hello
1.Mono or multifocal lens is decided by keratometer readings of cornea. if Difference between vertical and horizontal keratometer readings is less than 1 D...multifocal lens will give good results ...if it is more than 1D then your father will need glasses after Surgery
2. No multifocal lens gives 100% guarantee of glasses free life after surgery
3. Decision will also be guided by the retina status. In case of macular edema monofocal will be preferred
Answered2016-06-14 10:31:19
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