Seeing blue after the little blue pill: Visual disturbances in Viagra ...

Summary: Study highlights the risk of persistent visual side effects in men who take the highest recommended dose of viagra.Some of the visual disturbances include color vision impairments, blurred vision, and problems with light sensitivity. Source: Frontiers Sildenafil is commonly used to treat erectile dysfunction and is generally regarded as safe with limited side effects.

Visual Side Effects Linked to Sildenafil Consumption: An Update

So far, sildenafil does not seem to cause permanent toxic effects on chorioretinal tissue and photoreceptors as long as the therapeutic dose is not exceeded and is taken under a physician's direction to treat a medical condition. However, the recreational use of sildenafil can lead to harmful side effects, including vision changes.

Men who took erectile-dysfunction drug had blue-tinted vision for days.

While it's known that sildenafil can cause temporary vision changes, including blurred vision and cyanopsia, these side effects typically disappear within 3 to 5 hours.