Presbyopia (prez-bee-OH-pea-uh) is the slow loss of your eyes’ ability to focus objects up close. It’s a common condition that occurs with age, and usually becomes noticeable in the early to mid-40s and continues to worsen until around age 65. You may become aware of presbyopia when you need to start holding reading material- such as your smartphone, book, or menu- out at further away to be able to read them.