Question

Near vision addition for presbyopia​

Answer 1

Direct the patient to their best acuity line on the near chart. Add -0.25DS and ask if the letters are clearer or more blurred. If the acuity improves, continue adding -0.25DS. If the vision is unchanged or decreased, do not add them

Answer 2

As we grow older, the lens loses ability to focus at, close distances. Starting around the age of 40.