Story perspectives

Tadalafil users face 22% higher glaucoma risk, UK study

8/25/2026

Summary

Story summary

A UK study in the British Journal of Ophthalmology found men using tadalafil were 22% more likely to develop glaucoma.
Tadalafil users faced 32% higher ocular hypertension risk and 33% higher primary open-angle glaucoma risk.
Five-year glaucoma incidence was 3.93% among users versus 3.16% among non-users.
Researchers cautioned the observational design cannot prove causation.
Optometrist Valerie Kattouf advised long-term tadalafil patients to have regular comprehensive eye exams.

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Story summary

A UK study in the British Journal of Ophthalmology found men using tadalafil were 22% more likely to develop glaucoma.
Tadalafil users faced 32% higher ocular hypertension risk and 33% higher primary open-angle glaucoma risk.
Five-year glaucoma incidence was 3.93% among users versus 3.16% among non-users.
Researchers cautioned the observational design cannot prove causation.
Optometrist Valerie Kattouf advised long-term tadalafil patients to have regular comprehensive eye exams.