Anti-depressants linked to higher risk of cataracts
Washington, March 9 (ANI): Researchers at the University of British Columbia, Vancouver Coastal Health Research Institute and McGill University have found that some anti-depressant drugs are associated with an increased risk of developing cataracts.
The study, based on a database of more than 200,000 Quebec residents aged 65 and older, showed statistical relationships between a diagnosis of cataracts or cataract surgery and the class of drugs called selective serotonin reuptake inhibitors (SSRIs), as well as between cataracts and specific drugs within that class.
The researchers say that the study does not prove causation but only reveals an association between the use of SSRIs and the development of cataracts.
The study could not account for the possibility of smoking - which is a risk factor for cataracts - and additional population-based studies are needed to confirm these findings, the researchers say.
This study of statistical relationships is the first to establish a link between this class of drugs and cataracts in humans.
Previous studies in animal models had demonstrated that SSRIs could increase the likelihood of developing the condition.
"When you look at the trade-offs of these drugs, the benefits of treating depression - which can be life-threatening - still outweigh the risk of developing cataracts, which are treatable and relatively benign," said Mahyar Etminan, lead author of the article, a scientist and clinical pharmacist at the Centre for Clinical Epidemiology at Vancouver Coastal Health Research Institute and an assistant professor in the Dept. of Medicine at UBC.
Researchers found patients taking SSRIs were overall 15 per cent more likely to be diagnosed with cataracts or to have cataract surgery.
The study has been published online in the journal Ophthalmology. (ANI)
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