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Metamorphopsia: An Overlooked Visual Symptom.

Edoardo Midena1, Stela Vujosevic

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Metamorphopsia, including micropsia and macropsia, involves retinal and cortical changes. Evaluating this visual distortion aids in managing macular diseases and guides new therapeutic strategies.

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Area of Science:

  • Ophthalmology
  • Neuroscience
  • Medical Imaging

Background:

  • Metamorphopsia is a prevalent visual symptom in various macular disorders.
  • Micropsia and macropsia are specific forms of metamorphopsia.
  • Current research indicates both retinal and cortical pathways contribute to metamorphopsia.

Purpose of the Study:

  • To review recent advancements in understanding the pathophysiology of metamorphopsia.
  • To discuss current and emerging methods for evaluating metamorphopsia.
  • To highlight the significance of metamorphopsia quantification in macular disease management.

Main Methods:

  • Literature review of recent studies on metamorphopsia.
  • Analysis of functional tests for metamorphopsia assessment, from Amsler grid to mobile applications.
  • Discussion of pathophysiological mechanisms and diagnostic tools.

Main Results:

  • New insights into the dual retinal and cortical mechanisms underlying metamorphopsia.
  • Overview of diverse evaluation techniques for metamorphopsia.
  • Emphasis on the role of quantitative assessment in guiding treatment.

Conclusions:

  • Understanding metamorphopsia's pathophysiology is crucial for diagnosing and managing macular diseases.
  • A range of functional tests are available for metamorphopsia evaluation, with increasing use of digital tools.
  • Quantifying metamorphopsia is essential for optimizing therapeutic outcomes in patients with macular disorders.