© 2018 by Sanford Severin, MD

Dr. Sanford L. Severin

San Ramon, CA 94582 USA


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Removing Cataracts May Reduce Risk of Premature Death

November 19, 2018

An article in JAMA Ophthalmology reported a study of a large group of women who had cataracts. Slightly more than half had cataract surgery. The total group was followed for about 20 years. Interestingly the surgery group had a 60 per cent lower mortality.


I do not understand this study even though the researchers controlled many factors including demographics, initial health and weight.  The take away lesson is that even a carefully controlled study reported in a peer reviewed journal may be difficult to understand. 


I certainly would not encourage a patient to have cataract surgery because he or she might live longer if the cataract was removed.



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