Astigmatism in emmetropic eye of elderly person contribute to:
Correct Answer: +3D
Description: 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
Category:
Ophthalmology
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now