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11/16 Systemic Diseases and the Eye
Neuro
30
Medical
Graduate
11/19/2011

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Cards

Term
systemic diseases with important ophthalmic manifestations
Definition
acne rosacea

HIV

giant cell arteritis

Graves disease

MS

myasthenia gravis
Term
acne rosacea
Definition
dysfunction of the sebaceous glands of the face, neck, shoulders

evokes an immune response: patchy redness, papules, pustules, rhinohyma
Term
acne rosacea

ophthalmic manifestations
Definition
redness, blurring, foreign body sensation, pain

blepharitis, rarely keratitis
Term
HIV

ophthalmic manifestations
Definition
retinopathy: cotton-wool spots (infarction of nerve fibers layer), retinal hemorrhages --> reflect antigen-antibody plugs rather than infection

Kaposi's sarcoma can look like subjunctival hemorrhage

CMV retinitis most common O.I.
Term
giant cell arteritis
Definition
autoimmune disorder affecting medium sized branches of external carotid artery in the elderly

HA, scalp tenderness, jaw claudication, fever, anorexia, proximal muscle stiffness, malaise
Term
giant cell arteritis

ophthalmic manifestations
Definition
arteritic ischemic optic neuropathy, central retinal artery occlusion, ocular motor cranial nerve palsy (or any CN 3, 4, 6)
Term
giant cell arteritis

diagnosis and management
Definition
lab: sed rate and CRP

temporal artery biopsy showing granulomatous inflammation

refer emergently for immediate corticosteroids
Term
Graves disease
Definition
autoimmune disorder cause abnormal thyroid metabolism and orbital soft tissue abnormalities
Term
Graves disease

ophthalmic manifestations
Definition
increased thy hormone --> sympathetic drive to increase eyelid muscle work

infiltration of tissues with lymphocytes --> into muscles, cause misalignment

red, watery eyes, eye prominence, double vision

lid retraction, conjunctival injection, tearing, proptosis, reduced eye movements, optic neuropathy

*Refer anyone with persistent redness, visual loss, eye prominence, or diplopia
Term
Graves disease

management
Definition
artificial tears

immunosuppression

prisms

surgical realignment and decompression

thyroid regulation
Term
multiple sclerosis

ophthalmic manifestations
Definition
autoimmune disorder

optic neuritis, internuclear ophthalmoplegia, nystagmus, skew deviation, retinal venous sheathing, intermediate uveitis

urgent referral for MRI, IV steroids
Term
myasthenia gravis

ophthalmic manifestations
Definition
autoimmune disease affecting the NMJ, autoantibodies destroy ACh receptors on muscle cells

fluctuating ptosis, diplopia that worsens with prolonges activity

referral necessary

CT scan to rule out thymoma, yx poss with systemic antocholinesterase, immunosuppression, prisms in glasses
Term
systemic medication with important ophthalmic manifestations
Definition
anticholinergics*
corticosteroids****
digoxin
ethambutol hydrochloride**
hydroxychloroquine sulfate**
isoniazid*
minoclycline**
sildenafil citrate
topiramate
Term
anticholinergics
Definition
loss of accommodation (in young)
pupil dilation
(rarely) angle closure glaucoma

it si OK to use on patients with open angle glaucoma

refer immediately for sudden onset pain or blurry vision

(GI/UTI, PD, psychotic, reactive airway disease)
Term
*corticosteroids*
Definition
cataracts very common
open angle glaucoma
intracranial HTN (in kids)

refer immediately for new onset HA, visual loss, pulsatile tinnitis; screen during first year of use

(immunosuppression, asthma, ...)
Term
digoxin
Definition
xanthopsia (reversible flickering, yellow-vision)

adjust does to therapeutic range

(cardiac)
Term
*ethambutol hydrochloride*
Definition
can cause devastating optic neuropathy that is IRreversible

optic neuropathy (loss of color vision, acuity, fields) in doses greater than 15 mg/kg/day

important to get baseline ophthy screening and test acuity every 6 months - prompt referral with symptoms

(TB tx)
Term
*hydroxychloroquine sulfate*
Definition
can cause irreversible pigmentary retinopathy in cumulative doses greater than 1000 grams or 6.5mg/kg(IDEAL)/day

baseline exam, yearly after 5 years or 1000 cum. gm

normal-->bulls-eye maculopathy

(immunosuppressive, RA, lupus)
Term
isoniazid
Definition
irreversible optic neuritis (loss of color vision, acuity, fields)

baseline screening, test acuity every 6 months - immediate referral for worsening acuity

(TB tx)
Term
*minocycline hydrochloride*
Definition
papilledema from intracranial HTN (blurred vision, field loss, pulsatile tinnitus, HA)

screen from papilledema every 2-3 months, refer promptly with new HA or visual impairment

(acne, antibiotic)
Term
sildenafil citrate
Definition
transient bluish vision, (ischemic optic neuropathy?)

refer immediately with sudden onset vision loss

advise pts with cardio RF and hx of ischemic optic neuropathy in other eye of possible risk

(viagra)
Term
topiramate
Definition
angle-closure glaucoma, myopic shift (bc of swelling of choroid, push eye structures forward)

refer immediately

(seizure and migraine)
Term
ocular medications and systemic effects
Definition
alpha-2 adrenergic agonists
beta-adrenergic antagonists
oral and topical carbonic anhydrase inhibitors
prostoglandin analog
parasympathetics
sympathomimetics
Term
alpha-2 adrenergic antagonists
Definition
treat glaucoma by reducing aqueous production and increasing aqueous outflow

dry mouth, lethargy, hypotension, seizures, do NOT use in kids - encephalopathy
Term
beta-adrenergic antagonists (-olos)
Definition
treat glaucoma by decreasing aqueous production

bradycardia, bronchospasm (NO for asthmatics), reduced libido, depression
Term
oral carbonic anhydrase inhibitors
Definition
treat glaucoma via decreased aqueous production

Stevens-Johnson syndrome, blood dycrasias, renal stones, tingling in hands/feet/mouth, nausea, abnormal taste sensation, loss of libio, transient potassium depletion

NOT a 1st line drug
Term
topical carbonic anhydrase inhibitors
Definition
treat glaucoma via decreased aqueous production

bitter taste, no other significant effects

(doesn't work as well as oral)
Term
prostaglandin analog
Definition
treat glaucoma via increased aqueous outflow

rarely can cause flu-like sympotoms; can change color of iris

(Lumigan - eyelash growth)
Term
parasympatholytics
Definition
dilation of pupil via block of muscarinic receptors of iris sphincter and ciliary muscles (inhibit accommodation)

fever, skin flush, tachycardia, confusion (primarily in children), very rarely seizures

(atropine, scopolamine)
Term
sympathomimetics
Definition
pupil dilation via stimulation of iris dilator muscle

usually no SE at 2.5% does, 10% can cause BP increase, cardiac arrythmias, MI

(phenylephrine)
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