The math requirements will vary, but you most likely need to take, at the minimum, coursework in calculus. Some programs may also require geometry and statistics.

What subjects do you need for optometry?

Subjects You Need to Study Optometry

A-levels must include two subjects from: maths, physics, chemistry and biology.

What are the prerequisites for optometry?

Education & Training for an Optometrist

Prerequisite subjects, or assumed knowledge, in one or more of English, mathematics, chemistry, biology and physics are normally required. You may also be required to sit the Undergraduate Medicine and Health Sciences Admission Test (UMAT).