Refractive Errors Eyeball Myopia 129559984

Tags: focus refraction health light medical eye optical spot lens blurred point Eyesight sight vision shortsighted vein optic iris disc focal diagnosis central pupil optometry defect correction myopia ophthalmology eyeball artery cornea chamber nearsightedness vitreous anatomical optometrist retina nerve diopters errors Retinal anterior refractive longsighted sclera fovea choroid ciliary intraocular zonules