Myopia, High, with Cataract and Vitreoretinal Degeneration, also known as mcvd, is related to glass syndrome and lens subluxation. An important gene associated with Myopia, High, with Cataract and Vitreoretinal Degeneration is P3H2 (Prolyl 3-Hydroxylase 2). Affiliated tissues include breast, and related phenotypes are mildly reduced visual acuity and cataract