Shared Flashcard Set

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Eyes & Ears
2GU Module 1-2
175
Nursing
Graduate
09/06/2012

Additional Nursing Flashcards

 


 

Cards

Term
Visual Acuity at
Birth to 2 weeks
(Newborn)
Definition
20/400
(changes in illumination, contrasts)
Term
Visual Acuity at
2-4 weeks
(Newborn)
Definition
20/400
(can fix and follow an object)
Term
Visual Acuity at
3-4 months
Definition
20/200
(recognizes parent's smile, can focus near/far, follow 180 arc
Term
What can a child see at 4 months?
Definition
color vision similar to adult
Term
Visual Acuity at
6-10 months
Definition
20/150
(smooth eye movements in all directions)
Term
Visual Acuity at
12 months
Definition
20/50
(vision close to fully developed)
Term
Visual Acuity at
18-24 months
Definition
20/25
Term
Visual Acuity at
5 years old
Definition
20/25 to 20/20
Term
When to Refer for vision at Age 3...
Definition
20/50 or worse
Term
When to Refer for vision at Age 5...
Definition
20/40 or worse
Term
When to Refer for vision >5 years old...
Definition
20/30 or worse, or two line different between the two eyes
Term
Vision Screenings for Newborn to 3 months old
1.
2.
3.
Definition
1. Check Red Reflex
2. Take an ocular history
3. Inspect external structures
Term
Indications of the red reflex
One red reflex is brighter than the other
Definition
Unequal Refraction
Term
Indications of the red reflex
Presence of lens or other media opacities blocks the red reflex or diminishes it (white)
Definition
No reflex (Cataract)
Term
Indications of the red reflex: The red reflection from the pupil will back-light corneal defects. Movement of the examiner's head in one direction will appear to move the defect in the opposite direction (Paralax)
Definition
Foreign Body/Abrasian
Term
Indications of the red reflex
The red reflex is more intense from the deviated eye
Definition
Strabismus
Term
Who to refer to ophthalmologist (peds)?

Know when to refer!
Definition
1. Infants with a positive FH of Retinoblastoma
2. Infants with a Hx of or a relative with congenital cataracts, retinal dysplasia, or other retinal problems
3. Any abnormal or asymmetric red reflex
Term
Vision Screenings for 3-6 months old
Definition
1. Fix and Follow
2. Take an ocular History
3. Red Reflex
4. Inspection for abnormalities
Term
Vision Screenings for 6-12 months old
Definition
1. Fix and follow with each eye
2. Alternate occlusion
3. Ocular History
4. Corneal light reflex
5. Red Reflex
6. Inspection
Term
Vision Screening for >3 years and frequency after 5 years old
Definition
1. Visual Acuity
2. Ocular Hx
3. Corneal light reflex, (Cover/Uncover)
4. Red Reflex
5. Inspection
6. Attempt Ophthalmoscopy
(Complete screening every 1-2 years)
Term
How to perform the E test in children
Definition
1. The child points in the direction of the letter
2. Can be performed on most children 3-4 yrs/old
Term
How to exam visual acuity <4 yrs old
Definition
Pictures/symbols test
Term
Ophthalmoscopic Exam in Children includes...
Definition
1. Dilated pupil exam at 2 weeks of age
2. ID disc, macula
3. Darken the room
4. Have the child look at a cracked open door or computer screen to distract
Term
Key to treatment of Strabismus to prevent what complication...
Definition
EARLY Detection and Treatment to prevent AMBLYOPIA (vision loss)
Term
Amblyopia
Definition
Secondary Vision loss
(Due to defective development of the visual pathways needed to attain central vision)
Usually Unilateral deficit
Term
Examination of the pediatric eye is...
Definition
Opportunistic (as always :)
Term
Differentiate Bacterial/Viral/Allergic Conjunctivitis symptoms...
Definition
1. Bacterial: Conjunctival hyperema, edema, mucopurulent exudate
2. Viral: Watery discharge, small follicular changes in the palpebral conjunctiva
3. Allergic: LOTS of itching/rubbing, tearing, conjunctival edema.
Term
Key to Questions in Eye History
Definition
1. Clarify - symptom location (in, surface, around eye)
2. Both or One eye
3. Vision Changes/Photosensitivity
4. Foreign Object
5. Chemical Exposure
6. Trauma
7. Recurrence
8. Hx of DM, renal problems, STI, inflammatory conditions
9. Related S/S
10. ADL's
11. Close family/friends with similar s/s
Term
Very important to diagnosing eye disorders...
Definition
Thorough History
Term
Define Hordeolum
(Stye)
Definition
Def: Infection of the oil glands that surround an eyelash follicle
Term
Organism causing Hordeolum
Definition
Staph Aureus
Term
Signs and Symptoms of Hordeolum
Definition
Local or diffuse swelling of the eyelid
Tenderness
Erythema spreading away from localized site of infection
Occasional sensation of "grit" or FOREIGN OBJECT in eye
Term
Physical Exam for Hordeolum includes:
Definition
1. ALWAYS visual acuity
2. Inspection (evert eyelid, sclera, conjunctiva
3. Palpation (eyelids/preauricular lymph nodes)
Term
Treatment plan for Hordeolum:
Definition
1. Warm Compresses (10-15 min. QID)
2. Cleanse eyelids daily with neutral soup in 1:1 with water
3. Abx: Polytrim or erythromycin eye ointment BID x7 days if symptoms persist
Term
Patient Education for Hordeolum:
Definition
1. Good lid hygiene
2. No Eye Makeup
3. Throw out and replace all recently used makeup
4. Do Not Squeeze or try to pop
Term
Define Chalazion
Definition
Chronic granuloma, develop in meibomian glands on the conjunctival side of lid
Term
Signs and Symptoms of Chalazion
Definition
1. Localized lesions, hard, nontender, minimal erythema
2. NO PAIN
3. Usually away from the lid border
Term
Treatment plan for Chalazion:
Definition
1. If small, asymptomatic: no treatment
2. If large or secondary infection: treat as hordeolum
Term
When to refer to Opthamology for Chalazion/Hordeolum:
Definition
If not responsive to treatment
Term
Define Blepharitis:
Definition
Inflammation of eyelid margins
Term
Organism causing Blepharitis:
Definition
Staph infection
Other causes: Seborrheic Dermatitis, Rosacea, Allergies
Term
Signs and symptoms of Blepharitis:
Definition
1. Chronic
2. Scaling at eyelid margins
3. Itching, crusting, and erythema
4. Foreign body sensation, burning, eye discomfort
5. If severe/chronic: purulent discharge
6. Hx of recurrent chalazia/hordeola
Term
Physical exam of Blepharitis:
Definition
1. Visual Acuity
2. Examine Eyelid Margins
3. Examine face for seborrheic dermatitis and rosacea
Term
Treatment plan for Blepharitis:.
Definition
1. Avoid source of irritation
2. If dry eyes: use Cellufresh or Bion Tears
3. Lid Hygiene
4. Warm Compresses
Term
How to treat blepharitis if associated with seborrhea
Definition
Dandruff Shampoo on scalp and brows
Term
Instructions for lid hygiene
Definition
1. Apply warm wet compresses for 2 min, 2-4x daily to lids to increase circulation, mobilize meibomian secretions, and help cleanse crusting debris
2. After compresses - gently scrub eyelids once daily with fingertips or cotton tip applicator using a baby shampoo diluted 1:1 with clean water to remove crust/scales
Term
Signs and Symptoms of Periorbital cellulitis:
Definition
1. Eye Pain
2. Conjunctivitis
3. Epiphora (blurred vision, periorbital erythema, edema)
Term
Causes of Periorbital Cellulitis:
Definition
Result of Sinus Infection
Term
If Periorbital Infection is clearly limited - treat plan:
BUT
If unclear how do you evaluate:
Definition
Ok to treat conservatively
Evaluate with CT scan
Hospitalize for questionable severity
Term
Periorbital cellulitis Treatment In older children:
Definition
Treat with ABX that would treat URI
- Amoxicillin/Clavulanic acid or first generation cephalosporin (also IM Ceftriaxone)
Term
Treatment for Periorbital cellulitis if no improvement in 48-72 hours
Definition
IV ABX
Term
Chandler Staging System for Periorbital Cellulitis
Definition
Stage I: Periorbital Cellulitis
Stage II: Inflammatory Orbital Edema
Stage III: Subperiosteal Abscess
Stage IV: Orbital Abscess
Term
Define Orbital Cellulitis, and cheek
Definition
An acute infection of the tissues immediately surrounding the eye, including the eyelids, eyebrow
Location is Postseptal - involves infection of fat, muscle within the bony orbit
Term
Serious Complication of Orbital Cellulitis
Definition
BLINDNESS
Term
Causes of Orbital Cellulitis
Definition
1. Bacteria from Sinus Infection
2. H. Influenza - less common d/t HIB vaccine
3. Staph aureus, strep pneumoniae, GABHS
4. Styes, Bug bites, eyelid injury
Term
Signs and Symptoms of Orbital Cellulitis
Definition
1. Painful swelling or upper and lower eyelid (can include cheek and eyebrow)
2. Bulging eyes
3. Decreased vision
4. Eye PAIN - especially with movement (Quiet Eye)
5. Fever >102
6. Shiny, red/purple eyelid
Term
Quiet Eye:
Definition
Term to describe the desire to keep eyeball in one position within eye socket
Term
Physical Exam of Orbital Cellulitis
Definition
1. Evaluation
2. CBC, Blood Culture, Lumbar Puncture
3. Sinus x-ray, MRI of eye orbit
4. Culture of eye/nose/throat
Term
Plan if Patient presents with swollen red eye with difficulty moving eye:
Definition
Refer to ER/Hospital immediately for treatment of Orbital Cellulitis
Term
Treatment of Orbital Cellulitis:
Definition
1. Hospitalization - for IV ABX
2. Possible surgery to drain abscess
Term
Prognosis of Orbital Cellulitis:
Definition
With prompt treatment, full recovery is suspected
If no treatment - BLINDNESS
Term
Red Eye aka:
Definition
Redness or conjunctival injection
Extensive Differential List
Term
Red Eye Defense Mechanism:
Definition
1. Tears (with immunoglobulin A and lysoenzymes - wash)
2. Conjunctival Immune System (Lymphocytes, plasma cells and neutrophils)
Term
Differential Diagnosis of Red Eye NO Pain or Vision Loss
Definition
1. Conjunctivitis
2. Subconjunctival Hemorrhage
3. Episcrleritis
Term
Differential Diagnosis of Red Eye with Pain BUT NORMAL vision
Definition
1. Episcleritis
2. Keratitis
3. Cluster Headache
4. Corneal Abrasion
5. Corneal Ulcer
Term
Differential Diagnosis of Red Eye WITH Pain and Impaired Vision
Definition
1. Iritis
2. Glaucoma
3. Orbital Cellulitis
4. Scleritis
5. Corneal Abrasion
6. Corneal Ulcer
7. Keratitis
Term
Most Common Cause of Red/Pink Eye
Definition
Conjunctivitis
Term
Conjunctival Injection Defined:
Definition
Diffuse dilatation of vessels with redness that tends to be maximal at periphery

Can be used to differentiate conjunctivitis based on distribution of injection
Term
Result of small blood vessel rupture in the conjunctival tissue
Definition
Subconjunctival Hemorrhage
Term
Causes of Subconjunctival Hemorrhage
Definition
1. Coughing
2. Vomiting
3. Straining
4. HTN
5. Blood thinners
Term
Can occur to infants during vaginal birth
Definition
Subconjunctival Hemorrhage
Term
Treatment Plan for Subconjunctival Hemorrhage:
Definition
Painless, no impact on visual acuity and blood reabsorbs gradually in about 1 week THEREFORE NO treatment
Term
Progression of Subconjunctival Hemorrhage to educate patients about:
Definition
The hemorrhage will act like a bruise - changing in color as it heals - it tends to get darker at the bottom of the eye and lighter at the top due to gravity
Term
Episcleritis Defined
Definition
Benign inflammation of the covering of the sclera
Term
Signs and Symptoms of Episcleritis
Definition
1. Bilateral Mild Stinging
2. Peripheral injection
3. NO discharge
4. NO visual acuity impairment
5. Tearing
6. Photophobia
Term
Treatment of Episcleritis
Definition
Improves without treatment
Term
Scleritis Definition
Definition
Unilateral Inflammation of sclera
Term
Scleritis can result in...
Definition
Destructive Disease
Term
Scleritis is associates with...
Definition
Rheumatoid Arthritis
Systemic immunological disease
Autoimmune disorders
Term
Symptoms of Scleritis
Definition
1. Pain
2. Ciliary Injection
3. Tearing
4. Visual acuity can be affected
Term
Uvea defined
Definition
Middle layer of the eye, provides most of the blood supply to the retina
Term
Anterior Uveitis defined
aka
Definition
Iritis - inflammation of the anterior part of the eye - Inflammation of the iris and ciliary body
Term
Central Redness of the eye with ciliary flush =
Definition
Iritis/Anterior Uveitis
Term
Symptoms of Iritis
Definition
1. Eye Pain (moderate/aching)
2. Visual acuity decreased
3. Minimal eye discharge
4. Pupil is smaller and cornea appears normal
5. Ciliary FLUSH
Term
Posterior Uveitis Defined
AKA
Definition
Choroiditis (a layer of blood vessels and connective tissue)
Term
Treatment of Choroiditis
Definition
1. Sun Protection
2. Possibly steroid eye drops or pupil dilation drops (by opthalmogist)
Term
Keratitis Defined
Definition
Infection/Irritation of the cornea
Term
Causes of Keratitis
Definition
1. Bacterial/Viral/Fungal
2. From Mild Injury i.e. fingernail scratch, contact lens use
Term
Symptoms of Keratitis
Definition
1. Eye Pain (mod/severe)
2. Some Discharge/Tearing
3. Visual Acuity decreased
4. Photophobia
5. Cloudy Cornea
6. Peripheral Injection Diffuse
7. Ciliary Flush
Term
Treatment of Keratitis
Definition
1. Depends on the cause
2. If noninfectious - Eye patch x 24hours and Eye Lubrication
Term
Symptoms of Corneal Abrasion
Definition
1. Eye Pain
2. Feeling of foreign Object
3. Redness
4. Tearing
Term
Physical Exam of Corneal Abrasion
Definition
Flourescein Staining with wood's lamp
Term
Management of MINOR Corneal Abrasion
Definition
Heal within 72 hours - Reexamine patient DAILY due to potential for blindness associated with deeper progression
Term
Management of foreign body corneal abrasion
Definition
REMOVE foreign body - Use ABX ointment/drop
DC eye make-up and contact lens use until healed
REFER if extensive injury immediately
Term
Mechanism of Primary Angle-Closure Glaucoma
Definition
Relative Pupillary Block
Term
Primary Angle-Closure Glaucoma is most common in...
Definition
Asian Populations
Term
Symptoms of Primary Angle-Closure Glaucoma
Definition
1. Unilateral Headache
2. Visual Blurring
3. Nausea
4. Photophobia
Term
Physical Exam findings of Primary Angle-Closure Glaucoma
Definition
1. Non-reactive pupils that are semi-dilated
2. Scleral Injection
Term
Primary Angle-Closure Glaucoma is...
Definition
An Ophthalmologic Emergency - REFER
Term
Occurs when eye does not produce tears properly or the tears are not of the correct consistency
Definition
Dry Eye Syndrome
Term
Symptoms of Dry Eye Syndrome
Definition
Dry stinging eyes
Sandy/gritty feeling
Episodes of tearing followed by dryness
Stringy discharge
Redness
Pain in eye
Eye fatigue/heavy eyelids
Term
Dry Eye syndrome commonly presents in ... population
Definition
Females and Older adults
Term
Treatment of Dry Eye Syndrome
Definition
1. Treat the Cause First
2. Artificial Tears
3. Eye Lubricants
4. Avoid aggravating activities
Term
Pinguecula defined
Definition
Common, non-cancerous growth of the conjunctiva
Term
Physical exam findings of Pinguecula
Definition
Small, yellowish nodule on the conjunctiva near the cornea
Can appear on either side of the cornea - tends to be on the nasal side
Confined to bulbar conjunctiva
Term
Treatment of Pinguecula
Definition
NO treatment necessary
Term
Precursor to Pterygium
Definition
Pinguecula
Term
Pterygium defined
Definition
Non-cancerous growth of the conjunctiva that extends onto the cornea, usually from the nasal aspect
Term
Symptoms of Pterygium
Definition
1. Similar to Pinguecula
2. Uni- or Bi-lateral involvement
3. Painless
Term
Risk factors of Pterygium
Definition
1. Exposure to sunny, dusty sandy or windblown areas
2. Farmers, Fishermen
3. People living near the equator
RARE in children
Term
Treatment of Pterygium
Definition
NO Treatment
Term
Leading cause of vision impairment and blindness in the US are age-related changes i.e.
Definition
Macular Degeneration
Cataracts
Glaucoma
Term
Refractive Disorders include
Definition
Myopia
Hyperopia
Astigmatism
Presbyopia
Term
Refractive Disorders defined
Definition
The shape of the eye prevents light from focusing directly on the retina affecting vision
Term
Myopia aka
Definition
NEARsightedness
Object up close are clear, but far away objects are blurry
Term
Hyperopia aka
Definition
FARsightedness
Objects up close are blurry, but far away objects are clear
Term
Astigmatism defined
Definition
Eye does not focus light on retina evenly - the objects are blurry and stretched out
Term
Common age related change of eye
Definition
Presbyopia
Term
Presbyopia
Definition
Ability to focus on objects close up is more difficult because the eyeball is not longer able to change shape as easily to accomodate different focal lengths
Term
Treatment of Presbyopia
Definition
Reading Glasses or Bifocals
Term
Treatment of Refractive Disorders
Definition
Eye Glasses
Contact Lenses
Refractive Surgery
Term
Decreased transparency of the crystalline lens to the decree that vision is decreased...
Definition
Cataracts
Term
Cause of Cataracts
Definition
Protein coagulation - forming opaque areas - unknown reasons
Natural Aging Process
Term
Signs and Symptoms of Cataracts
Definition
Decreased Vision
Glare - at night with driving
Distortion - straight edges appear wavy, double vision
Altered color perception
Term
Risk Factors of Cataracts
Definition
DM
Corticosteroid Therapy
Tobacco
ETOH use
Term
Cataracts Physical Exam includes
Definition
Visual Acuity (decreased)
Pupillary Reaction to light (unaffected)
Observation of eye - Leukokoria (white pupil)
Term
Treatment of Cataracts
Definition
REFER for ophthalmology eval
for slit lamp exam
Surgery
Term
Slowing Cataract progression
Definition
Decrease sun exposure
Smoking cessation
Term
Glaucoma defined
Definition
A group of ocular disorders characterized by increased intraocular pressure (IOP) with optic nerve damage and/or visual field loss via capillary microinfarctions, causing OPTIC NERVE ISCHEMIA
Term
Third leading cause of blindness in US
Definition
Glaucoma
Term
Risk Factors of Glaucoma
Definition
High IOP
African American
Myopia
DM
HTN
Family Hx
Term
Primary Open Angel Glaucoma caused by...
Definition
Secondary to another condition
An abnormality in the trabecular angle tissue - causing resistance to fluid flow
Term
Symptoms of Primary Open Angle Glaucoma
Definition
Insidious Onset
Chronic
Gradual Loss of Peripheral Vision
Term
True or False: IOP alone CANNOT be used to diagnose Primary Open Angle Glaucoma
Definition
TRUE
Term
Treatment for Primary Open Angle Glaucoma
Definition
REFER - opthamology eval with slit lamp exam and IOP measured with tonomotry
- Increased cup-to-disc ratio
Term
Normal Tension Glaucoma if...
Definition
IOP is <21mmHg
Term
Photopsia aka
Definition
Flashes
Term
Entopsia aka
Definition
Floaters
Term
Flashes and Floaters caused by...
Definition
Vitreous shrinks and becomes "stringy" - strands cast shadows in the eye - Common with aging
Term
Vitreous detachment:
Definition
When a section of the vitreous pulls away all at once causing new floaters to suddenly appear - NO Treatment
Term
Retinal Detachment defined
Definition
Occurs when the neurosensory retina is separated from the retinal pigment epithelium
Term
Symptoms of Retinal Detachment
Definition
Sudden increase in floaters, light flashes, peripheral vision loss "curtain going down on eye"
Term
Leading cause of blindness in the US
Definition
Age-related macular degeneration
Term
Symptoms of Macular Degeneration
Definition
Asymptomatic or Gradual loss of central vision
Term
Risk factors of Macular Degeneration
Definition
Increased Age
Family Hx
Smoking
HTN
Women
Term
Physical exam of Macular Degeneration includes
Definition
Visual Acuity
Dilated eye exam
Tonometry
Term
Exudative Macular Degeneration aka
Definition
Wet - RAPID vision loss - development of abnormal blood vessels that leak fluid under the retina - straight lines appear wavy - REFER immediately
Term
Nonexudative Macular Degeneration aka
Definition
Dry - Gradual loss of central vision - light sensitive cells of the macula slowly break down.
Term
Treatment of WET Macular Degeneration
Definition
Laser Surgery
Photodynamic Therapy (med injected into blood stream, light shone in eye to activate drug and new blood vessels are destroyed)
Injections of medications to stop growth of blood vessels
Term
Treatment of DRY Macular Degeneration
Definition
Advanced stage - NO treatment
If Early Stage - Treatment slows progression i.e. zinc/antioxidant supplements
Term
Ear function is imperative for...
Definition
1. Hearing
2. Acquisition of speech
3. Ability to maintain an upright position
4. Learning
5. Socializing
6. Developing Language
Term
Key structures of the TM
Definition
1. Pars flaccida
2. Short process of malleus
3. Manubrium
4. Umbo
5. Light Reflex (cone of light)
6. Pars Tensa
7. Annulus
Term
Healthy hearing 2010 Initiative goal...
Definition
Universal screening children less than 3 months old
Term
Hearing screening in Newborns...
Definition
Otoacoustic Emissions (OAE) or Auditory brainstem response (ABR)
Term
AAP and Bright Futures recommend...at ages 3-5, 10, 12, 15, and 18 years old
Definition
Pure Tone Autiometry
Term
Otoacoustic Emissions (OAE)
Definition
Physiologic test that measures response of inner ear to brief clicks or tones. Done at any age - child's response is not needed. Takes less than 2 min. in a quiet child. Low cost.
Term
True or False: OAE Can detect unilateral and mild hearing loss
Definition
True
Term
When to refer with OAE...
Definition
If failed
Term
Auditory Brainstem Response (ABR)
Definition
Measures the initiation of sound-induced electrical signals in the cochlea & Measures functioning of the peripheral auditory system and neurologic pathways related to hearing
Term
Used to asses hearing if OAE is absent...
Definition
Auditory Brainstem Response
Term
Hearing aids can be placed as early as ... age
Definition
2 months
Term
If Amplification of sound <6 months affects ... development
Definition
speech
Term
When to worry: 0-4 months old hearing...
Definition
Should startle to loud sounds
Quiet to mother's voice
Cease activity momentarily when sound is made at conversational levels
Term
When to worry: 5-6 months hearing...
Definition
Should correctly localize to a sound
Begin to imitate sounds
Term
When to Worry: 7-12 months hearing...
Definition
Correctly localize sound in any plane
Respond to name (turn toward you)
Term
When to worry: 13-15 months hearing...
Definition
Should point toward unexpected sound OR to familiar persons when asked
i.e. Where is momma?
Term
When to worry: 16-18 months hearing...
Definition
Should follow simple directions
i.e. Go get shoes
Term
When to worry: 19-24 months hearing...
Definition
should point to body parts when asked
i.e. if shy - ask where is mom's ears?
Term
Acute Otitis Media (AOM) defined
Definition
An acute infection of the middle ear
Term
Three requirements for diagnosis of AOM
Definition
1. Recent abrupt onset of s/s such as ear pain, irritability, otorrhea (drainage), +/- fever
2. Middle ear effusion confirmed by bulging TM, limited or decreased mobility, air fluid level
3. S/S of middle ear inflammation: Red TM, Otalgia, Interfering with sleep/activity
Term
S/S of middle ear inflammation:
Definition
1. Red TM
2. Otalgia
3. Interfere with sleep/activity
Term
Most common organism of AOM...
Definition
S. Pneumoniae
H. Influenzae
M. Catarrhalis
Term
Bullous Myringitis concomitant symtpoms
Definition
1. Blister on eardrum
2. Conjunctivitis
Term
Bullous Myringitis organism
Definition
H. Influenza (non-typable)
Term
Treatment plan for Bullous Myringitis
Definition
Augmentin 90mg/kg/day BID x10days
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