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What is Astigmatism in emmetropic eye of elderly person contribute to: and explain in detail?
Laser vision enhancements When planning presbyopia-correcting IOL(Intra ocular lens) surgery in a patient with a high level of pre-existing astigmatism (ie, more than 3 D), a bioptics approach (ie, IOL followed by laser vision enhancement) may be needed. LRIs alone are unlikely to correct the astigmatism completely.Limbal Relaxing Incisions (LRI) are a refractive surgical procedure to correct minor astigmatism in the eye. There are several different strategies for these planned laser vision enhancements. The first is to perform the presbyopia-correcting IOL surgery followed by LASIK or PRK. REF : AK KHURANA 7TH ED