Shared Flashcard Set

Details

Oc Dz-Lids Continued
Ocular Disease I
136
Medical
Graduate
02/01/2012

Additional Medical Flashcards

 


 

Cards

Term

Differentiate between pustule and papule

(I know its disgusting, but do it anyway!)

Definition

A papule is simply a red and inflamed lesion on the surface of the skin.

It is called a pustule when it becomes filled with pus and get s a white head. ew

Term

Define Telangiectasia

(and 100 points if you can spell it without looking)

Definition
Dilated small blood vessels that are visible on the nose or cheeks. 
Term
Define Rhinophyma
Definition
A red, bulbous(swollen) nose that is due to sebaceous gland hypertrophy
Term

Symptoms:

Facial erythema

Papules and pustules

Telangiectasia

Rhinophyma

What condition could cause all of these?

Definition
Rosacea
Term
What is rosacea?
Definition
A Chronic inflammatory disorder involving the skin and eyes
Term
Name 2 possible treatments for facial rosacea
Definition

Doxycycline, 100mg twice a day for 4-6 weeks

or

Topical Metrodiazole gel twice a day for 5-8 weeks

as well as

dietary and environmental restrictions on the things that cause flare-ups

Term
How may ACE inhibitors affect someone with rosacea?
Definition
ACE inhibitors are vasodilators, so they may cause a flare-up for someone with rosacea.
Term
What ocular manifestations may occur with rosacea?
Definition

LOTS!

Meibomian gland dysfunction and infection

Blepharitis & Conjunctivitis

Poor tear film

PEE

Corneal vascularization and thinning (keratitis)

Term
Name some signs of Meibomian Gland dysfunction
Definition

Pustule-like caps on meibomian glands

Inflammation of lids surrounding the glands

Serrated lid margins

Conjunctival injection

Dry eye

Term
Describe treatment of Meibomian Gland dysfunction
Definition

Warm Compresses

Meibomian Gland expression

 

Antibiotics like Doxycycline if necessary

Term
Define Impetigo
Definition
A contagious skin infection of S. aureus or S. pyogenes
Term
What areas are affected by impetigo?
Definition
Generally the face and distal extremities like fingers
Term
What other condition may easily be confused with Impetigo?
Definition

Herpes simplex virus looks much like Impetigo.

Differential Diagnosis is important since medications are so different for the two conditions. 

Term
What type of treatments are indicated for Impetigo?
Definition

Oral antibiotics (Cephalosporins, Macrolides etc.) 

Washing

Topical antibiotics (Bacitracin)

Term
Define Erysipelas
Definition
Streptococcus pyogenes skin infection of the dermis that commonly affects the legs and face
Term
What signs/symptoms may be associated with Erysipelas?
Definition

Fever and chills

Generally poor feeling (Malaise)

Painful patches on skin 

Sharply demarcated areas of swelling/redness

Term
Differentiate between an internal and an external hordeolum
Definition

External=infection of Zeis gland

Internal=infection of Meibomian gland

Term

T/F?

Lid pain, edema and erythema accompanied by constitutional signs and symptoms are indicative of a hordeolum

Definition

False

Constitutional signs are not consistent with a Hordeolum, all the others may be. 

Symptoms of a hordeolum should be localized to the eyelid. 

Term
Describe some possible treatments of a hordeolum
Definition

Self-drainage

Warm soaks

Topical antibiotics for persistent infections

Epilation

Term
Warm compresses are used to treat everything, what do they do exactly?
Definition
Not only do they help keep the area clean, they increase blood flow thus encouraging movement of immune cells to the infection site. 
Term
What is another name for Chalazion and how are they different from hordeolums?
Definition

Chalazion=meibomian cyst

Chalazions are basically remnants of hordeolums, they are no longer hot/active infections. They are 'cold,' firm to the touch and non-tender

Term
Describe treatment of a chalazion
Definition

Warm compresses

Steroid injection 

Incision and Curettage

Term
Describe a Cyst of Moll
Definition
A cyst arising from a blocked Gland of Moll (sweat gland) right along the tear margin that is dome shaped, non-inflamed and filled with fluid. 
Term
How are Cysts of Moll different from Cysts of Zeis?
Definition

Arise from different gland types

Zeis are less translucent and are filled with a more oily substance

Term
Describe a Sebaceous cyst
Definition

Forms when any sebacous gland gets blocked-can form anywhere on the body

Non-painful

Generally prevented by good hygiene but not always

Will reform unless entire cyst is excised

 

 

Term
Describe a Congenital Dacryocele
Definition
An obstructed lacrimal sac filled with amniotic fluid,  located inferior to the medial canthus
Term
Tearing, Discharge, Crusting and Mucus reflux from the punctum in an infant could be indicative of what?
Definition
A Congenital Nasolacrimal Duct Obstruction
Term
What is the best immediate treatment for a congenital nasolacrimal duct obstruction
Definition

Warm Compress, massage and topical antibiotic if pus present.

Most resolve on their own, probing can be considered if it persists 6 months, or even surgery

Term
You see an infant with large iris', tearing and sensitivity to light, what should you consider as a possible diagnosis?
Definition
Congenital Glaucoma
Term
What is done in a Dacryocystorhinostomy?
Definition

This is a procedure used to relieve an acquired nasolacrimal duct obstruction. 

An opening is created between the lacrimal sac and the  nasal cavity, bypassing the rest of the lacrimal drainage system.

Term
What is Dacryocystitis?
Definition
Infection of the lacrimal sac
Term
What are some causes of a nasolacrimal duct obstruction?
Definition

Long and narrow ducts

A diverticulum off the lacrimal sac allows fluid to stagnate and bacteria accumulate

Trauma

dacryoliths

Sinus/nasal inflammation

Term
Define Epiphora
Definition
Excess tearing
Term
Describe treatment of acute dacryocystitis
Definition

Warm Compress 

Systemic and Topical Antibiotics

Aspirate lacrimal sac for cultures/susceptibility

Term
Define Dacryoadenitis
Definition
Inflammation of the Lacrimal Gland
Term
Name 3 of the most common agents responsible for causing Dacryoadenitis
Definition

Viral:

Mumps

Epstein-Barr

Herpes Zoster

 

Bacterial: 

Staphylococci

N. gonnorrhoeae

Term

Symptoms:

Temporal upper lid swelling

tearing/erythema/warmth

Fever

Discharge

What do you suspect is the problem?

Definition
Acute Dacryoadenitis
Term
After you diagnose a patient with Acute Dacryoadenitis and you do a work up to find the cause is the Herpes Zoster virus, what would you recommend for treatment?
Definition
A Systemic anti-viral like Acyclovir and warm compress
Term
If you find the cause of a case of Acute Dacryoadenitis to be the Epstein-Barr virus, what should you recommend for treatment?
Definition

Warm compress is all that is available to treat that type of viral infection.

It is more of a palliative treatment than a resolution.

Term
What do Sarcoidosis, Sjogren's, tumours and Thyroid ophthalmopathy have in common?
Definition
They are all known to be the cause of Chronic Dacryoadenitis
Term
Define Canaliculitis
Definition

Infection of the duct between the punctum and the lacrimal sac.

Is often caused by uncommon agents (yeasts, fungi, bacteria, virus' etc.)

Term
What signs will a patient with Canaliculitis present with?
Definition

Erythema and swelling of the punctum and surrounding tissues

Conjunctivitis around  the medial canthus

Term
Describe how the Jones Test works and what it is for
Definition

Fluorescein is applied to the eye, after a few minutes have passed the nasal pathway is checked for drainage of the fluoroscein. 

It is a test used to ensure the tear flow system is patent and normal.

Term
What symptoms might a pt with ectropion experience?
Definition

Tearing/constantly wiping

Irritation

Dry eye

Term
What are some of the more severe signs that may accompany ectropion?
Definition

PEE 

Exposure keratopathy

Conjunctival Injection

Keratinization

Term
Name 5 ways that an ectropion can be acquired
Definition

Involutional (with age)

Paralytic

Cicatrical (due to scarring)

Mechanical

Allergies

Term
Name the 4 ways to 'describe' an ectropion that were presented in class
Definition

1. Punctal (if the puncta is exposed)

2. Medial

3. Lateral

4. Tarsal-involves the entire lower lid

 

Term
What is Tarsorrhaphy?
Definition
A procedure where lids are partially sewn together, it is done to temporarily fix an ectropion before surgery.
Term
What is the name of the procedure performed to permanently fix an involutional ectropion?
Definition

Tarsal Strip (Blepharoplasty)

-where the lower lid is shortened and therefore tightened

Term
Describe the treatment method for mild ectropion
Definition

Lubrication

Moisture shields

Lubricating ointment if conj is keratinized

Term
Name two treatments for Cicatricial Ectropion
Definition

Digital Massage

Skin Graft

Term
Describe the symptoms accompanying entropion
Definition

Foreign body sensation/Irritation

Pain

Tearing

Red eye

Photophobia

Term
What signs may accompany entropion?
Definition

PEE

Foreign body tracking

Conjunctival injection

Corneal ulcer

decreased corneal sensation

corneal scar

 

Term
Name the 4 causes of ENtropion.
Definition

Involutional 

Acute Spastic

Cicatricial

Congenital

Term
What commonly causes acute spastic entropion?
Definition

Infectious or traumatic process that create irritation

or

when the action of the eyelid retractors is not enough to counteract the orbicularis oculi muscle.

Term
What other condition often accompanies acute spastic entropion?
Definition
Involutional Entropion is usually present in pts experiencing acute spastic entropion
Term
What structure is involved in the development of entropion?
Definition
The palpebral conjunctiva-scarring on this structure causes the lower eyelid to roll in. 
Term
What are some possible causes of scarring on the palpebral conj?
Definition

Trauma

Infections

Chemical Burns

Steven's Johnson syndrome

Ocular cicatricial pemphigoid (OCP)

Term
Name 4 other possible diagnosis that entropion could be mistaken for:
Definition

1.Epiblepharon

2. Eyelid retraction

3. Trichiasis

4. Distichiasis

Term
Name 4 causes for trichiasis
Definition

Infectious

Autoimmune (OCP)

Inflammatory

Trauma

 

 

 

Term
Name 2 treatment for trichiasis
Definition

(First would always be to treat the underlying problem that is causing the trichiasis)

Epilation

Electrolysis

Radiofrequency ablation

Cryosurgery

Wedge resection of the lid

 

Term
Define Eyelid Coloboma
Definition

Full thickess defect of the eyelid

Often associated with cryptophthalmos

Term
What is the primary goal in treatment of an eyelid coloboma?
Definition
Protecting the Cornea
Term
How do we treat small colobomas or larger ones while waiting for surgery?
Definition

Lubricants and ointments

Moist chamber optical bandages

Bedtime patching

Term
Define Epicanthus
Definition
A crescent fold of skin that extends from the side of the nose to the lower lid and partially covers the inner canthus
Term
What congenital defect can cause pseudo-esotropia?
Definition
Epicanthus
Term
When would surgery be indicated for a patient with epicanthal folds?
Definition
When the epicanthus is obstructing their field of view and is not being outgrown.
Term

Why is it important to fully explain the situation to patients whose child has epicanthal folds?
Definition
It is possible that esotropia may develop in the child. However if the patients do not know this possibility they may continually blame the mis-directed eye on the epicanthal folds instead of getting their child in to see an optometrist.
Term
Define Dermatochalasis
Definition
Redundant and lax eyelid skin overhanging the margin
Term
What other ocular conditions may accompany dermatochalasis?
Definition

Entropion of the upper eyelid

Ectropion of the lower eyelid

Blepharitis

Dermatitis

Term
What is the most common cause of dermatochalasis?
Definition
Aging
Term
In addition to aging, what else can cause dermatochalasis?
Definition

Trauma

Severe periorbital edema (chronic renal insufficiency)

Thyroid eye disease

Floppy eyelid syndrome

Term
Define Blepharochalasis
Definition
A rare disorder that is characterized by relaxation/atrophy of the eyelids and intermittent eyelid edema
Term
Define Steatoblepharon
Definition
Herniation of the orbital fat in the upper and lower eyelids
Term
What should the plan be for a patient with dermatochalasis that is accompanied by visual field loss, blepharitis and dermatitis?
Definition

Book surgery 

Lid hygiene education

Topical antibiotics

Possibly a topical steroid if infection has been cleared

 

Term
How is the levator involved in dermatochalasis?
Definition
Usually the levator is unaffected
Term
What is another name for ptosis?
Definition
Blepharoptosis
Term
What are some causes of congenital ptosis?
Definition

Myogenic-irregular levator

Neurogenic-Abnormality of CN III superior division

Term
Describe how an acquired ptosis can be differentiated from a congenital ptosis (without patient history)
Definition

Have the patient tip their chin up and look at you,  (downgaze)

If it is congenital the ptotic lid will appear higher up,

if it is acquired they will be equal

Term
Describe Marcus-Gunn Jaw-winking syndrome
Definition
A situation where the innervation patterns are irregular. Any movement of the jaw causes elevation of the eyelid
Term
Name 4 types of acquired ptosis
Definition

Neurogenic

Myogenic

Mechanical

Aponeurotic

Term
Name one common Neurogenic defect that would present with ptosis? What other signs would also be present?
Definition
Horner's syndrome presents with ptosis as well as miosis and anhidrosis
Term
Why do some patients with Horner's syndrome also have heterochromia?
Definition
Horner's is a disorder with sympathetic innervation (often unilateral). If this abnormality affects the sympathetic innervation to the iris as well it will have affected the development of melanocytes which are responsible for the color of the iris. 
Term
Name 2 conditions that may cause an acquired neurogenic ptosis
Definition

Diabetes Mellitus

Internal Carotid Artery aneurysm

-These both result in insufficient innervation to CN III and thus the levator

Term
Name 1 condition that can cause an acquired, myogenic ptosis
Definition

Myasthenia Gravis

Ptosis  will be bilateral and may fluctuate in this case along with strabismus

Term
Describe an aponeurotic ptosis
Definition

-Due to a loss of muscle tone in the levator muscle and/or degeneration of the levator attachments.

It is usually bilateral and is the most common acquired ptosis

Term
How does one determine the 'severity' of a ptosis?
Definition

Measure the width of each palpebral fissure

If they are more than 4mm different between the 2 eyes, it is termed 'severe.'

 

Term
When a pt presents with ptosis name 2 things you should check right away
Definition

Levator function

Pupils (PERRLA)

Term
If a patient presents with a congenital ptosis that obscures part of their field of view, what are they at risk for developing?
Definition

This visual field occlusion can lead to amblyopia and eventually permanent vision loss

It can also cause astigmatism from the compression of the droppy lid

Term
Name the 2 main surgical methods for fixing a ptosis
Definition

Shortening the levator (if there is still some levator function)

Frontalis Suspension-Linking the eyelids to the Frontalis (done if levator function is poor)

Term
Without doing a visual field how could you tell if a patient's congenital ptosis is obscuring their view?
Definition
Closely examine their head position, they may be tilting their chin up
Term
Define Blepharoclonus
Definition

An increased frequency of blinking and increased closure phase

Caused by irritation and inflammation

Term
Define Myokymia
Definition

Involuntary contraction and relaxation of the orbicularis

-basically a twitch

Caused by stress/tension/dehydration etc.

Term
Name 4 therapies for Myokymia
Definition

1. Remove the cause of the tension/stress

2. Botox injection

3.Antihistamines

4.Quinine

Term
Define Blepharospasm
Definition
Any abnormal twitch/tic of the eyelid
Term
What other changes may develop if a patient experiences blepharospasm for a long time
Definition

Eyelid/brow ptosis

Dermatochalasis

Entropion

Canthal Tendon Abnormalities

Term
Name some common methods of relieving blepharospasm.
Definition

Sleep/Relaxation

Artificial tears

singing/humming/talking

Botox type A

 

 

 

Term
Full names for T3 and T4
Definition

 

T3=Triiodothryonine

T4=Thyroxine

Term
Which is more potent, t3 or T4?
Definition
T3 is about 4 times stronger than T4
Term
What does the pituitary secrete to tell the thyroid to secrete more T3 and T4?
Definition
Thyroid Stimulating Hormone
Term
What does the hypothalamus secrete to tell the pituitary to stimulate the thyroid?
Definition
The hypothalamus secretes TSH Releasing Hormones (TRH) whic affects the pituitary
Term
What are the 2 major causes of hypothyroid?
Definition

Inflammation

and 

Medical Treatments that reduce the size of the thyroid

Term
What is the most common cause of inflammation of the thyroid (that itself results in hypothyroidism)?
Definition
Autoimmune thyroiditis (Hashimoto's Disease) is the most common cause of thyroid inflammation. 
Term
What changes can be seen in the body when the thyroid is underactive (Hypothyroidism)?
Definition

The thyroid enlarges to try to compensate for the loss of function (goiter)

The Pituitary releases more TSH

There is less T4

Term
What is the most common underlying cause of Hyperthyroidism?
Definition
Graves' Disease
Term
Describe the 3 distinct parts of Graves' disease
Definition

1. Overactivity of thyroid gland (hyperthyroidism and possibly thyroid hyperplasia)

2. Infiltrative Ophthalmopathy-Inflammation of tissues around the eyes-->swelling

3. Infiltrative Dermopathy-Thickening of skin on lower legs

Term

T/F

The majority of Graves' disease patients will suffer severe eye problems because of the disease

Definition

False

only 1/20 do

Term

Describe Ophthalmic Graves' Disease

aka Euthyroid Graves' Disease

Definition
When the eye signs of Graves' disease occur without any other clinical manifestations (no hyperthyroid)
Term
What is thyrotoxicosis?
Definition
Hyperthyroidism
Term
Name 3 issues that can result from muscle and fat expansion in the orbit.
Definition

1. Proptosis

2. Restricted EOMs

3. Optic neuropathy

Term
Name 3 Risk Factors for Graves' Disease
Definition

1. Smoking

2. Being female

3. Radioiodine

Term
Names the 4 types of Graves' classification systems discussed
Definition

1. By Structure

2. NOSPECS

3. Clinical Activity Score

4. VISA

Term
What is Enroth's sign?
Definition
Puffy lids
Term
What is Dalrymple's sign?
Definition
Lid retraction
Term
What is the Von Graefe sign?
Definition
Lid lag-Tardy downward movements of the eyelid when looking down.
Term
What is the difference between Griffith's sign and Kocher's sign?
Definition

In Griffiths it is the  lower lid that is slower than the globe in upgaze

In Kocher's it is the globe that is slower, it lags behind the upper lid in upgaze

Term
Name 4 Lid characteristics used to classify Thyroid Eye disease
Definition

Lid Lag

Lid tremor (closed)

Reduced blinking

Increased pigment of eyelid skin

Term
Name 3 Medication options for lid treatment (Graves' disease)
Definition

Topical alpha adrenergic blockers (Reserpine, Dapiprazole etc.)

Topical beta adrenergic blockers (Propanolol)

Botox

Term
Name 3 symptoms on the cornea/conj that are used to classify Graves' disease
Definition

Conjunctival Chemosis

 

Superior Limbic Keratoconjunctivitis

 

Corneal exposure w or w/o pannus formation and ulceration

Term
Name 6 Treatment options for Conj & Cornea Signs of Graves'
Definition

Antibiotics

Steroids

Lubricants

Elevated head during sleep

tinted Cosmetic lenses

Orbital decompression

Term
What Globe signs may occur with Graves' disease?
Definition

Exophthalmos

Ocular Bruit (hear abnormal sounds with a stethoscope)

Term
What is the 1st most common and the 2nd most common cause of EOM restriction with Graves' disease?
Definition

1st-fibrosis of IR

2nd Fibrosis of MR

Term
What is the most common cause of unilateral proptosis?
Definition
Hyperthyroidism
Term
Name 4 methods for managing the globe signs involved with Graves' disease
Definition

1. Lubricants

2. Lid taping

3. Steroids

4. Sew the lids together (Tarsorrhaphy)

Term
Name 4 possible features of a fundus photo that might indicate optic nerve constriction
Definition

Congested retinal veins

Swollen disc

Chorioretinal striae

Pale, atrophic disc

 

Term
What does each letter in NOSPECS stand for?
Definition

       N-No physical ss

                      O-Only signs, no symptoms

                    S-Soft tissue involvement

P-Proptosis

           E-EOM involvement

               C-Corneal involvement

 S-Sight loss

Term
Name 4 symptoms that may indicate the beginning of soft tissue involvement in Graves' disease (beginning of infiltrative ophthalmopathy)
Definition

1. Lacrimation

2.Photophobia

3.Foreign body sensation

4. Retrobulbar discomfort

Term
What does VISA stand for?
Definition

Vision

          Inflammation

      Strabismus

                    Appearance/exposure

Term
Name 3 Test strategies used in diagnosing Thyroid Eye Disease
Definition

1. Thyroid Function-determining levels of T4, T3 and TSH

2. Anatomic-Imaging

3. Optometric testing

Term
Name 6 things that optometrists can observe/test regarding Thyroid Eye disease
Definition

1. Exophthalmometry

2. EOMs 

3. Measure palpebral fissure

4. Observation of lids in down and upgaze

5. Slit Lamp exam with staining

6. Dilated fundus exam

Term
Name 8 treatment methods/options for Thyroid Eye Disease
Definition

1. Meds to correct thyroid dysfunction

2. Thyroidectomy

3. Ocular lubricants

4. Systemic steroids for corneal damage

5. Narrow palpebral fissure

6. Surgical Decompression of Orbit

7.Local radiation

8. EOM surgery when stable

Term
What is the treatment for mild preseptal cellulitis for older children/adults?
Definition

Amoxicillin/Clavulanate (Augmentin)

500mg p.o tid for 10days

Term
What medicatoin can be prescribed for a pt with mild preseptal cellulitis who is allergic to penicillin
Definition
Bactrim (Trimethoprim/sulfamethoxazole)
Term
Name the 3 most common pathogens involved in orbital cellulitis
Definition

Staphylococcus aureus

Streptococcus species

Haemophilus influenzae type B

Term
Name the 2 key findings that indicate you are looking at orbital cellulitis rather than preseptal cellulitis
Definition

Proptosis

EOM Restriction

Term
Name the 2 fungal species most commonly involved in orbital cellulitis
Definition

Mucor

Aspergillus

Supporting users have an ad free experience!