Amaurosis fugax is related to temporary vision loss in one eye. The symptoms are typically described as a curtain falling vertically and blocking the vision in one eye. Other symptoms include the dimming, fogging or blurring of vision.

An amaurosis is a form of blindness with no accompanying obvious changes to the eye, often as a result to disease of the optic nerve.

Yes, Proctalgia Fugax, or cramp in the rectal muscles, is treated with mild heat, warm baths or enemas, stretching, ibuprofen, paracetemol or gentle massage. Medical marijuana is sometimes useful.

It occasionally happens in males after ejaculation, or after lengthy erections.

I believe you may be referring to: congenital amaurosis - this entity refers to partial or total loss of vision.

Check out the medical condition known as "Proctalgia Fugax" - This may very well be the answer to your question.