Causes of eye diseases

Eye diseases arise from the doshas lodged in the eye through plunging into water when overheated, keeping a fixed posture, change of seasons, sweat or much walking, excess intercourse, loss of sleep, gazing at minute objects, dust and smoke, overexertion, suppressing tears, excessive dryness of the head, very dry food, holding back faeces, urine and flatus, and eating too much onion, mustard, garlic and fresh ginger. Footnotes give two variant readings.