Cyanopsia is a rare visual phenomenon characterized by a blue tint to vision. Most commonly associated with cataract surgery and certain medications, such as sildenafil (more commonly known as Viagra), cyanopsia is typically a temporary side effect rather than a standalone disease.

Chromatopsia results in abnormal color perception. Known variations of chromatopsia include xanthopsia (yellow-colored vision), cyanopsia (blue-colored vision), erythropsia (red-colored vision), chloropsia (green-colored vision), and ianthinopsia (violet-colored vision). Each form is associated with different potential causes.

Abnormal condition in which objects appear falsely coloured. Depending upon the colour seen, the chromatopsia is called xanthopsia (yellow vision), erythropsia (red vision), chloropsia (green vision) or cyanopsia (blue vision).

Jun 11, 2009 · Patients may present with visual disturbances, complaining of cyanopsia, photophobia and blurred vision. Typically, visual acuity is unchanged and there are no fundoscopic changes on exam. Symptoms resolve over four …

Aug 24, 2018 · Here, we report a patient who complained of cyanopsia as an early symptom of compressive optic neuropathy. A 63-year-old man noticed cyanopsia OD 1 month ago. Cyanopsia lasted for a few days and then he experienced a sense of generalized dimness in the right eye compared to that in the left eye.

It is widely known that a number of patients who receive clear lenses report that the visual scene has a blue tint (cyanopsia) post-operatively. Several studies have evaluated patient awareness of cyanopsia post-operatively comparing BFIOLs to UVFIOL.

Cyanopsia is a visual condition characterized by a blue tint in vision, caused by the inhibition of cone phosphodiesterase enzymes that regulate cyclic guanosine monophosphate levels and light response properties of rods and cones.

Nov 16, 2023 · Did you know that certain medications can cause symptom of 'Cyanopsia'. Find these drugs listed on the page and be warned of similar symptoms as possible side-effects.

Oct 15, 2005 · Unformed visual hallucinations, also known as elementary hallucinations, phophenes or photopsias, are the most common of all visual hallucinations and usually originate from within the eye. 31 They consist of colored or colorless bright lights, such as points, flashes, stars, sparks, spots or streaks. 2 Phosphenes that take the shape of lightnin...

Certain conditions may cause a blue tint to the visual field (cyanopsia), such as cataract removal or use of sildenafil. Cyanopsia may occur for a few days after cataract removal or as an adverse effect of sildenafil and possibly other phosphodiesterase-5 (PDE5) inhibitors.