Astigmatism and correction with corrective lens.

ANATOMY • AQUEOUS HUMOUR • ARTWORK • ASTIGMATISM • BIOLOGY • BIOMEDICAL ILLUSTRATIONS • BLUE BACKGROUND • BULBAR SHEATH • CANAL OF SCHLEMM • CHOROID • CILIARY BODY • CILIARY PROCESSES • COLOR IMAGE • COMPARISON • CONNECTIVE TISSUE • CONTACT • CORE • CORNEA • CORRECTIVE LENS • DIAGRAM • DIGITALLY ENHANCED • EYE • EYEBALL • EYEBALLS • EYES • EYESIGHT • FOCUS • FOCUSING • FOVEA CENTRALIS • GROSS ANATOMY • HEALTHCARE • HORIZONTAL • HUMAN ANATOMY • HUMAN BODY PARTS • HUMAN EYES • HUMAN ORGANS • ILLUSTRATION TECHNIQUE • ILLUSTRATION • INTERNAL ORGANS • IRIS • LENS • LIGHT • LOOKING • MACULA • MEDICAL • MEDICINAL • MEDICINE • NO PEOPLE • NUCLEUS • OPHTHALMOLOGY • OPTIC DISC • OPTICS • ORA SERRATA • PHYSIOLOGIE • PHYSIOLOGY • PROBLEM • PUPIL • RETINA • RETINAE • RETINAS • SCHLEMM'S CANAL • SCLERA • SENSORY PERCEPTION • SENSORY SYSTEM • SIGHT • SPANISH VERSION • TEXT • VISION • VITREOUS BODY • WATERCOLOR PAINTING • WESTERN SCRIPT • WITHOUT PEOPLE