Answer:On 16th September 1284, the first wearable eyeglasses of metal lens were invented by an Italian, Salvino d’Armati.
Step-by-step explanation: If you do not know the answer, you can subtract 1887 by the year contact lenses were invented. The number is not readable, so I cannot do the math. You can also get your answer online if you are able to search it up, which is what I did, but I do not recommend it if you are not supposed to, for that is cheating.
