Sense organ diseases is the sum of the following causes (with proportion of deaths attributed here to each category).
1. Raised pressure inside the eyeball [Glaucoma] U099 Map 450, (3% of deaths)
2. Opacity of the lens of the eye [Cataracts] U100 no map, (no deaths)
3. Macular degeneration [Vision disorders, age-related], U101 no map, (no deaths)
4. Deafness [Adult onset Hearing loss], U102 no map, (no deaths)
5. Other sense organ disorders, U103 no map, (97% of deaths)
Glaucoma, cataracts and macular degeneration cause impaired vision and blindness. However they are not the only causes of blindness. Onchocerciasis U027, Trachoma U031 Map 234, Vitamin A deficiency U056 Map 414, and Diabetes U079 Maps 239 and 436, are all major causes of blindness. There are also several other conditions causing blindness that affect the newborn.
Although a few deaths, all under 10 per million people per year, are recorded here for 55 territories, they are almost all recorded as other sense organ disorders affecting the eyes and ears. Visual impairment and occassionally hearing loss can cause death by contributing to accidents, but these are counted separately within Accidents U149 Map 474.
Sense organ diseases caused 0.006% of all deaths worldwide in 2002, an average of 0.5 deaths per million people per year.