Definition

Noun: A visual defect characterized by the perception of distorted images. Objects, lines, or shapes appear bent, wavy, enlarged, shrunken, or otherwise misshapen. This condition is typically caused by a disorder affecting the retina, especially the macula.

Usage

This is a medical term used primarily in ophthalmology and optometry to describe a specific symptom. It is used in clinical diagnosis and patient descriptions of their visual experience. - The patient reported metamorphopsia, describing straight lines on the grid as curved. - Metamorphopsia is a common symptom of age-related macular degeneration.

Examples

• The onset of metamorphopsia, where text on a page seemed to warp, prompted her to visit an eye specialist.
• A simple test for metamorphopsia involves looking at an Amsler grid to see if the lines appear distorted.

Advanced Usage

• Metamorphopsia can be quantified using tools like the Amsler grid or M-Charts, which measure the degree of subjective distortion.
• In clinical notes, it may be documented alongside other symptoms: ""

Variants and Related Words

• Metamorphopsic (adjective): Pertaining to or characterized by metamorphopsia.
  • The metamorphopsic distortion made reading impossible.

Synonyms

• Visual distortion
• Image distortion (in a specific medical context)

Different Meanings

This term has a single, specific meaning in medical terminology related to vision. It does not have common non-medical definitions.

Notes

• Metamorphopsia is a symptom, not a disease itself. It indicates an underlying problem, often in the macula (the central part of the retina responsible for detailed vision).
• It is distinct from other visual disturbances like blurred vision (general lack of sharpness) or diplopia (seeing double).

Noun

1. a defect of vision in which objects appear to be distorted; usually due to a defect in the retina