Abstract
Purpose::
To investigate the incidence and risk of myopic traction maculopathy including epiretinal membrane traction, foveoschisis, macular retinoschisis and posterior detachment without macular hole in highly myopia eyes.
Methods::
We prospectively recruited patient with high myopia (spherical equivalence less than -6D or axil length longer than 26.5 mm) from our outpatient department. Subjective or objective refraction, complete ocular examination, fundus photography, A-scan ultrasound biometry, and optical coherence tomography (OCT) were performed to detect the incidence and features of myopic traction maculopathy.
Results::
There were 124 eyes of 69 patients included in this study. The degree of myopia ranged from -6 to -27 spherical equivalents (mean -11.45D). The mean axial length was 28.85 +/- 1.94 mm. Detection of myopic traction maculopathy was 8%(10/124). Foveoschisis and macular retinoschisis were the most frequent form of myopic traction maculopathy (70%). Factors of Age older than 50 years old, higher myopia diopter (>=-10D) and posterior staphyloma were significant associated with myopic traction maculopathy (P=0.025, 0.041 and <0.001, respectively)
Conclusions::
Older age with the presence of posterior staphyloma in more highly myopic eyes might generate a form of traction maculopathy unique to myopia. Myopic traction maculopathy could be easily detected by OCT and results a separate cause of visual loss.
Keywords: macula/fovea • retina • myopia