Actually, contrary to ppa93's typical blunt and arrogant comment, taking the recommended courses could be quite useful to your application and your future as an optometry student. Say the admissions committee is deciding between two equal candidates, yet one of has more of the recommended courses than the other. I would imagine that the committee would be more inclined to offer an admission to the student with more of the recommended courses. Also, the recommended courses are usually related to courses that you will be taking in your first or second years at optometry school and will provide you with background knowledge that will make those courses much easier.