[The image futures of optical coherence tomography in pathologic myopia]

To study the characteristics of optical coherence tomography (OCT) pictures in pathologic myopia.

100 cases (195 eyes) of pathologic myopia were examined with OCT. The Age ranges of all the cases was 16-76 years and refraction error was -6.00 - -36.00 diopters.

OCT image was normal in 7 eyes (4.3%), the reflectivity band of RPE and chorio-capillaries were uneven and thinning in 147 eyes (90.2%). Full-thickness macular hole was found in 21 eyes (10.8%), of which 10 (5.1%) eyes were associated with retinal detachment; local shallow retinal detachment was found in 24 eyes (12.3%), of which 7 eyes (3.6%) were associated with retinal schisis, 19 eyes (9.7%) with macular choroidal neovascularization (CNV). retinal swelling was often associated with the following diseases: Fuchs spot 9 eyes (4.6%), thick macular hemorrhage 3 eyes, epiretinal macular membrane 18 eyes (9.2%); macular sensory retina thinning in 5 eyes (2.6%).

Compared with fundus examination including slit lamp with pan-retinoscope, OCT showed unique preference for observation of the changes of retinal pigment epithelium (RPE), chorio-capillary layer, diagnosis macular hole and epiretinal macular membrane, discovery of small sensory retinal detachment, schisis and thinning of sensory retina layer etc. OCT can not either discover a piece of thin macular hemorrhage or differentiation between thick macular hemorrhage and pigment spot.