Keratoconus is not an uncommon disorder. It is not a visual threatening disorder but a visual disturbing one. A corneal degeneration characterized by bil non-inflammatory corneal ectasi.
We have base and apex of cone base can become placoid and apex can become niplle type of cornea. The characteristic features of k c are Mansun's sign that is distortion of lower lid margin when the patient looks in downward gaze Folds and ruptures in des membrane Visible corneal nerves called as Vogt striae Feishers ring that is a brownish ring of haemosiderin at the base of a cone Some of the rare associations of k conus are VK conjunctivitis KC sicca Retinitis pigmentosa Sever rubbing Ectopia lenses Blue sclera Osteogenesis imperfecta Downs syndrome Turners ED syndrome Lebers amaurosis Marfans Mitral valve prolapse syndrome Bil k connus has been reported in achondroplasia …
