alebbie25
alebbie25 alebbie25
  • 02-04-2021
  • Biology
contestada

Why do some people require bifocals (or even trifocals) as they age?​

Respuesta :

26wallacen
26wallacen 26wallacen
  • 02-04-2021

Answer:

Explanation:

People have to wear bifocals most commonly because of a condition called presbyopia. This condition occurs naturally. It causes difficulties in the eye’s focusing abilities. Bifocals work to help the eyes focus more clearly, which is why people have to get them.

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