Eye Spy Disease
This firm, non-tender eyelid nodule results from obstruction of a Meibomian gland.
What is a chalazion?
If your patient’s eyes burn more the longer they use their drops, this preservative might be the real culprit.
What is BAK (Benzalkonium chloride)?
A −2.00 D myope can see clearly only up to this distance before blur begins.
What is 0.5 m?
1/-2 = 0.5
This cranial nerve palsy presents with ptosis, mydriasis, and diplopia.
What is a CN III palsy?
According to superstition, this small blue amulet protects against envy and ill-will directed through one’s gaze.
What is the evil eye?
The presence of this finding helps distinguish bacterial keratitis from a sterile infiltrate.
What is an overlying epithelial defect (or other signs like discharge, pain, or anterior chamber reaction)?
This class of glaucoma medications increases uveoscleral outflow and can lead to iris darkening or eyelash growth.
What is prostaglandin analogs?
When an object is placed within the focal length of a concave mirror, the image formed has these three characteristics.
What is virtual, upright, and magnified?
If you’re unsure whether a muscle won’t move or simply can’t, this test will tell you the difference
What is a forced ductions test?
This British Ferris wheel, opened in 2000, gives visitors a bird’s-eye view of the Thames River.
What is the London Eye?
Cotton-wool spots and “silver wiring” of retinal arterioles are classic findings in this systemic condition.
What is hypertension/hypertensive retinopathy?
When you want to calm inflammation but not spike pressure, this ester-based corticosteroid is your friend.
What is Lotemax/Loteprednol? (we can also take FML)
Your patient’s refraction reads +1.75 + 2.50 × 45. In minus cylinder form, it becomes this.
What is +4.25 -2.50 x135?
A patient reports binocular diplopia at near but not at distance. Cover testing shows exophoria at near, and symptoms improve with a +2.00 D lens. Name the diagnosis.
What is Accommodative insufficiency?
This denomination of U.S. currency features a pyramid topped by an all-seeing eye
What is the one-dollar bill?
Periorbital edema, pain with eye movements, proptosis, and fever may indicate this potentially vision-threatening infection.
What is orbital cellulitis?
This cycloplegic agent has the longest duration of mydriasis and cycloplegia.
What is Atropine?
An uncorrected −2 D myope accommodates 1.50 D while viewing a 40 cm target. Expect this amount and type of blur on the retina.
What is 1 D of myopic blur?
(-1/.4)+1.50+2 = -2.50 + 1.50 + 2.00 = +1 D (blur is + therefore in front of the retina therefore myopic blur)
A patient presents with fluctuating horizontal diplopia, ptosis, and Cogan’s lid twitch. Name the disorder and its confirmatory test.
What is ocular myasthenia gravis, confirmed by the ice-pack test, AChR antibody test, or other fatigue tests (e.g., sleep or orbicularis oculi squeeze test)?
Among all animals, this deep-sea creature holds the record for the largest eyes with each being about the size of a basketball.
What is the giant squid?
This autosomal dominant corneal dystrophy features gray-white granular deposits in the anterior stroma and a mutation in the TGFBI gene.
What is Granular corneal dystrophy/Groenouw Type I)?
When one mechanism isn’t enough, this duo made up of an alpha-2 agonist and a beta-blocker team up to lower IOP.
What is Combigan, a combo drug of brimonidine and timolol?
A +9.00 D hyperope wearing glasses at 14 mm will need approximately this contact lens power for equivalent correction.
What is +10.25D?
Fcl = Frx/ (1- d*Frx)
Fcl = 9/(1-0.014*9)
Fcl = 9/0.874
Fcl= +10.297
A patient presents with right gaze diplopia, right facial weakness, and inability for either eye to look right. Localize the lesion.
What is the right pons, involving the abducens (CN VI) nucleus or PPRF and the facial nerve (CN VII) nucleus?
The world’s oldest known prosthetic eye was found in a 5,000-year-old burial site in this modern-day country.
What is Iran?