adjective
refractive
“[…] personas con discapacidad visual, al menos dos terceras partes es debido a causas tratables como la catarata, defectos refractivos, retinopatía diabética, ceguera infantil, glaucoma, oncocercosis y tracoma.” — […] people with impaired vision, at least two thirds is due to treatable causes like cataracts, refractive defects, diabetic retinopathy, child blindness, glaucoma, onchocerciasis and trachoma.