👉 Ophthalmology is a branch of ophthalmology, which deals with the study and treatment of diseases affecting the eye. It includes the examination, diagnosis, and treatment of conditions such as glaucoma, cataracts, retinal detachment, macular degeneration, and other eye problems. The term "optometry" refers to the practice of providing visual correction services to patients who are blind or have limited vision due to a condition such as glaucoma.