There are many genetic diseases of the eye, and the most common ones include the following: congenital cataract, glaucoma, congenital retinal, iris or choroidal defects, retinitis pigmentosa, retinoblastoma, pathological myopia, congenital optic neuropathy, strabismus, cone cornea, etc. These diseases are due to congenital genetic factors or congenital developmental abnormalities. These diseases are caused by congenital genetic factors or congenital developmental abnormalities, and have a genetic tendency or family aggregation. Therefore, if the above mentioned diseases exist in the eyes, it is recommended to go to the hospital for relevant examinations as early as possible to clarify the condition and then to carry out active treatment, and if more people in the family have this disease, it is recommended that people of the same generation or older generations should undergo relevant examinations.