Myopic maculopathy: Current status and proposal for a new classification and grading system (ATN).
Level 5 - mechanism / opinion, no new human data
Narrative review and expert proposal for a classification framework without primary empirical trial data in the abstract
PubMed 30391362 · doi:10.1016/j.preteyeres.2018.10.005
What was done
The authors reviewed the pathophysiology and clinical characteristics of pathologic myopia and myopic maculopathy. Based on the limitations of existing staging methods, they proposed a unified classification and grading system (ATN) addressing atrophic, tractional, and neovascular maculopathy components.
What was found
No empirical study metrics or validation data are reported in the abstract. The review defines high myopia as a refractive error greater than -6 to -8 diopters with axial length elongation of 26 to 26.5 mm, distinguishing it from pathologic myopia, where posterior staphyloma is the hallmark feature driving atrophic, tractional (e.g., foveoschisis, myopic macular hole), or neovascular changes.
Why it matters
Standardizing the classification of myopic maculopathy provides a structured framework to improve clinical monitoring, standardize international multicenter research, and clarify phenotyping for genetic studies.
Limits
The abstract is a narrative review and conceptual proposal; it reports no patient cohort numbers, diagnostic validation, inter-observer reliability metrics, or longitudinal outcome data to demonstrate the performance of the proposed ATN system.
Cited by
- supports Severe myopia causes the eyeball to elongate, stretching the retina and increasing the risk of retinal tears and macular degeneration later in life.