The common definition of high myopia is myopia with an increased risk of morbidity the power being spherical equivalent to at least minus 6 8 10 respectively. We have ocular pathology associated with increase elongation of and pathological changes in fundus we often use these terms as  Malignant myopia Pathological myopia Degenerative myopia The common complications of pathological myopia are Cataract Glaucoma Chorioretinal abnormalities Vitreous degeneration Post vitreous detachment Retinal detachment Formation of retinal holes Optic disc abnormalities A r m degeneration Share your views.