ch. 13 bhis 406

What nourishes the cornea and maintains intraocular pressure?

Aqueous humor

What surgical procedure creates an opening to improve aqueous humor drainage?

Trabeculectomy

What procedure reattaches the retina using a cryoprobe and silicone sponge?

Scleral buckling

What is the colored portion of the eye surrounding the pupil?

Iris

What condition involves abnormal intraocular pressure due to impaired aqueous humor drainage?

Glaucoma

What procedure incises the drainage angle to improve aqueous humor outflow?

Goniotomy

What is the medical term for impaired color vision?

Achromatopsia

What procedure measures intraocular pressure?

Tonometry

What is blood in the anterior chamber of the eye called?

Hyphema

According to the assessment, what is the sebaceous gland associated with an eyelash?

Meibomian gland

What examination visualizes the angle of the anterior chamber?

Gonioscopy

What procedure uses corneal incisions to correct astigmatism?

Astigmatic keratotomy (AK)

What is a hardened swelling of a meibomian gland called?

Chalazion

What examination uses a microscope and focused light to examine the eye?

Slit lamp examination

What is removal of the eyeball contents while preserving the outer coating?

Evisceration

What is inflammation of the lacrimal sac called?

Dacryocystitis

What is the medical term for tear production?

Lacrimation

What area of the retina provides detailed central vision?

Macula lutea

What combining form means tears?

Dacry/o

What combining form means pupil?

Cor/o

What is the incus shaped like?

Anvil

What is a surgical incision of the eardrum to relieve pressure or fluid?

Myringotomy

What is acute otitis media with pus-filled discharge called?

Suppurative otitis media

What combining form refers to the inner-ear structure involved in equilibrium?

Vestibul/o

What is the medical term for hearing abnormal sounds without an external source?

Tinnitus

What is blockage of the external auditory canal by earwax called?

Impacted cerumen

What is the opening of the external auditory canal called?

External auditory meatus

What tuning fork test evaluates hearing lateralization?

Weber tuning fork test

What separates the external ear from the middle ear?

Tympanic membrane

What is age-related hearing loss called?

Presbycusis

What skull structure is located behind the external auditory meatus?

Mastoid process

What is a cystic mass of keratinizing epithelial cells in the middle ear?

Cholesteatoma

What tuning fork test compares air conduction with bone conduction?

Rinne test

What is discharge from the ear called?

Otorrhea

What is the false sensation of movement or spinning called?

Vertigo

What is a perforation of the eardrum called?

Ruptured tympanic membrane

What procedure measures eardrum mobility and middle-ear function?

Tympanometry

What combining form means eardrum?

Myring/o

What instrument is used to visually examine the ear?

Otoscope

What condition involves abnormal bone remodeling and fixation of the stapes?

Otosclerosis