What does the root "blephar/o" refer to in medical terminology?

The root "blephar/o" specifically refers to the eyelid in medical terminology. This root is derived from the Greek word "blepharon," which directly translates to "eyelid." Medical professionals use this term in various contexts, such as blepharoplasty, which is a surgical procedure to correct or enhance the eyelids. Understanding this root helps in recognizing related terms in ophthalmology and other medical specialties that deal with eye anatomy and conditions affecting the eyelids.