Dr Harsh Duhan on Instagram: "⏩️ Keratoconus (KC): A Common Corneal Ectatic Disorder⠀ ⠀ ✅️ Basics⠀ Keratoconus is a progressive, non-inflammatory corneal ectasia characterized by thinning and protrusion of the central or paracentral cornea into a cone-like shape, leading to irregular astigmatism and visual impairment.⠀ Usually bilateral but asymmetrical.⠀ Onset typically during puberty or adolescence.⠀ Progressive over 10–20 years before stabilizing.⠀ ⠀ Etiology:⠀ Idiopathic in most cases.⠀ Asso