What does the term 'ocular' pertain to?

The term 'ocular' is specifically related to the eye or vision. In medical terminology, prefixes and suffixes often indicate specific areas of the body or functions, and 'ocular' derives from the Latin word 'oculus,' which means eye. Thus, when describing conditions, procedures, or anatomical structures that involve the eye, the term 'ocular' is appropriate and accurately conveys information about the visual system.

In the context of the other options, 'nervous system' pertains to the network of nerves and cells that transmit signals, while 'muscular system' refers to the muscles and their associated functions. The 'cardiovascular system' encompasses the heart and blood vessels. Despite these topics being crucial elements of human anatomy, they do not relate to the concept of 'ocular,' which specifically denotes anything that has to do with the eye or vision.