Objective 2 Flashcards
Which nerve palsy is caused by under action or paralysis of the superior oblique muscle?
fourth nerve (trochlear)
Which cranial nerve is affected in Bell’s palsy?
seventh Cranial nerve
What is thyrotoxicosis?
disorder of the thyroid gland
What is the term for misalignment of the eyes in which the movement of the two eyes is not coordinated?
strabismus
In a sixth nerve (abducens) palsy, what are the two abnormal ocular symptoms of the affected eye?
inward deviation (esotropia) inability of affected eye to move past the midline in lateral gaze
What can cause an orbital blow-out fracture?
blunt force trauma
What is the correct medical term for lazy eye?
amblyopia
What action should be taken by an optician if a patient presents with protrusion of only one eye?
immediate referral to an ophthalmologist
List at least three causes of exophthalmos.
infections bacterial or fungal malignant and non malignant tumors psuedotumors cysts hemangiomas Graves’ disease (thyrotoxicosis)