Blindness (ceguera) is a profound physical condition characterized by the total or partial loss of vision that cannot be corrected by standard lenses. Beyond its biological definition, it is a significant global health challenge and a central theme in literary and social discourse. 👁️ Clinical Definitions and Statistics
: Often defined as vision of 20/200 or less in the better eye with best correction. Ceguera
: Globally, at least 2.2 billion people have vision impairment, and roughly 43 million are completely blind. : Globally, at least 2
: Uncorrected refractive errors, cataracts, glaucoma, and diabetic retinopathy are the primary drivers of vision loss. 🛠️ Accessibility and Communication : Visual acuity worse than 3/60 or 20/400
Medical organizations classify vision loss based on visual acuity and field of vision. : Visual acuity worse than 3/60 or 20/400.