Metamorphopsia

In addition, metamorphopsia can result in misperceptions of an object's size, shape,[3] or distance to the viewer.

[citation needed] Initially characterized in the 1800s, metamorphopsia was described as one of the primary and most notable indications of myopic and senile maculopathies.

[4] Metamorphopsia can be a symptom of a number of eye disorders involving the retina or macula.

[7] Some of these conditions include the following: Tests used for diagnosis of metamorphopsia mostly make use of subjective assessments of how a person views regular patterns.

For people who have conditions such as epiretinal membrane (ERM), macular holes and retinal detachment, decreased metamorphopsia is associated with an increase in visual acuity.