Pathologic myopia is defined as eyes with a refractive error of more than -6 diopters or an axial length of more than 26.5 mm associated with typical pathologic changes at fundus.
High myopia affects 2–4% of Caucasian population and it is more common in Asians with rates of 9–21%.
The pathogenesis of high myopia progressive and excessive elongation of the eyeball which predisposes to various degenerative changes involving the sclera, choroid, and retina. Choroidal neovascularization is one of the most common complication of highly myopic eyes that occurred in 5–11% of patients with high myopia.
Several theories have been proposed to explain the cause of CNV secondary to high myopia. In letterature is reported the mechanical theory based on the progressive and excessive elongation of the anteroposterior axis. Elongation eye provokes a …show more content…
Myopic CNV has become is the leading cause of severe visual loss in many countries. The natural history of CNV is variable. Sometimes CNV evolving in a fibrous pigmented scar or
High myopia affects 2–4% of Caucasian population and it is more common in Asians with rates of 9–21%.
The pathogenesis of high myopia progressive and excessive elongation of the eyeball which predisposes to various degenerative changes involving the sclera, choroid, and retina. Choroidal neovascularization is one of the most common complication of highly myopic eyes that occurred in 5–11% of patients with high myopia.
Several theories have been proposed to explain the cause of CNV secondary to high myopia. In letterature is reported the mechanical theory based on the progressive and excessive elongation of the anteroposterior axis. Elongation eye provokes a …show more content…
Myopic CNV has become is the leading cause of severe visual loss in many countries. The natural history of CNV is variable. Sometimes CNV evolving in a fibrous pigmented scar or