Final answer:
The Snellen chart is used to evaluate a patient for corrective lenses by testing their visual acuity.
Step-by-step explanation:
The equipment used to evaluate a patient for corrective lenses is the Snellen chart. The Snellen chart is a visual acuity test that presents standard Roman letters in decreasing sizes. It determines the smallest letters a person can see at a specified distance and is commonly used in optometry offices.