- The Chinese Liu Ch'ung, who served as a Chinese minister in 995, had two pupils in each eye
- The table for checking visual acuity in the CIS is called the "Sivtsev table", in its bottom line there are the letters "IM SH Y N B M K"
- A similar table abroad is named after the Danish ophthalmologist Herman Snellen - Snellen Chart and ends with the line "PEZOLCFTD"
- Ralph Titor, inventor of the cruise control system in cars, has been blind since the age of five
- Baseball player Rogers Homsby was extremely careful about his vision and health, did not drink or smoke, and also did not read or watch movies during the season of games
- Loud noises, aspirin and coffee are often causes of "ringing in the ears"
- If a man with normal vision and a woman who is color blind have children, then daughters will have normal vision, and sons will have color blindness
- Listening to music on headphones for an hour increases the number of bacteria in the ears sevenfold
Promotional video:
- Leonardo da Vinci drew a prototype of a contact lens in his diaries in the 15th century
- One of David Bowie's pupils is permanently enlarged due to childhood trauma
- Thomas Edison suffered from progressive deafness due to scarlet fever suffered at the age of seven
- Arthur Conan Doyle was an ophthalmologist
