Final answer:
A surgical gonio prism is an optical instrument used in ophthalmology to assess the angle between the cornea and iris. It helps visualize the anterior chamber angle and is valuable in diagnosing and managing conditions like glaucoma.
Step-by-step explanation:
A surgical gonio prism is a specialized optical instrument used in ophthalmology to assess the angle between the cornea and iris in the eye.
It allows the doctor to view the structures of the eye, specifically the anterior chamber angle, which is important for diagnosing and managing conditions such as glaucoma.
By using a surgical gonio prism, the doctor can visualize and evaluate the angle and make informed decisions regarding treatment options.