Explanation

Ammar ibn Ali Al-Mawsili invented hypodermic syringe

Abu al-Qasim Ammar ibn Ali al-Mawsili was an important eleventh-century Arab Muslim ophthalmologist.

Ali Al-Mawsili 

Born on 900

Died on 1000

Abu al-Qasim Ammar ibn Ali al-Mawsili is mostly known for the invention of a hypodermic syringe, which he used to remove cataracts, a major cause of blindness.