Ophthalmic Procedures and Functions

The video tutorial provides an in-depth review of eye anatomy, including the pupil, iris, sclera, and more. It explains the functions of different parts of the eye, such as the chambers and humors, and discusses the role of tears in eye protection. The tutorial also covers common eye surgeries, including chalazion removal, entropion correction, glaucoma treatments, and more, detailing their purposes and procedures.

What is the function of the iris in the eye?

• To focus light onto the retina

• To protect the eye from dust

• To control the size of the pupil

• To produce aqueous humor

Which fluid is found in the anterior chamber of the eye?

• Vitreous humor

• Synovial fluid

• Aqueous humor

• Cerebrospinal fluid

What is the function of the optic nerve?

• To control eye movement

• To produce tears

• To focus light onto the retina

• To transmit visual signals to the brain

What is the primary role of the lacrimal gland?

• To produce a watery substance

• To produce an oily substance

• To focus light

• To control eye movement

What is a common cause of a stye in the eye?

• Excessive tear production

• Clogged meibomian gland

• Misalignment of the eyeball

• Infection of the lacrimal gland

What is the purpose of an iridectomy?

• To remove a cataract

• To relieve pressure in glaucoma

• To correct strabismus

• To transplant a cornea

Which surgery involves creating an opening between the lacrimal duct and the nose?

• Keratoplasty

• Vitrectomy

• Dacryocystorhinostomy

• Iridectomy

What is the main goal of a scleral buckle procedure?

• To remove the lens

• To correct eyelid position

• To replace the cornea

• To reattach the retina

What is the primary purpose of a keratoplasty?

• To transplant the cornea

• To correct strabismus

• To replace the lens

• To remove vitreous humor

What condition does a cataract extraction address?

• Corneal clouding

• Retinal detachment

• Lens clouding

• Glaucoma