Alterations In Head, Ears, Eyes, Nose, And Throat Flashcards
By age 2 to 3 vision is what?
20/50
By age 6 to 7 vision is usually what?
20/20
How are eustachian tubes and tympanic membranes different in children than adults?
Eustachian tubes are shorter, wider, and more horizontal. Tim panic membrane’s are closer to the surface.
What is conjunctivitis and what are the common symptoms?
Conjunctivitis is inflammation of the conjunctiva a signs and symptoms are redness, swelling, white or yellow discharge
What is conjunctivitis caused by?
Viruses, bacteria, allergies, trauma, and other irritants
What is ophthalmia neonatorum and what is it caused by?
Conjunctivitis in infants under 30 days old usually acquired by mom frequently caused by chlamydia and gonorrhea. May also be caused by prophylactic I treatment and develops within 24 to 48 hours after installation of the medication
What causes bacterial conjunctivitis, and what are the symptoms?
H. Influenzae, strep pneumoniae, moraxella catarrhalis, E. Coli. Symptoms are Adema of the eyelid, read conjunctiva, enlarged preauricular glands, Mucopurulent exit date, itching or burning, mild photophobia, and feeling of scratching under the lid
What is the most common cause of viral conjunctivitis?
Adenovirus is the most common cause, spreads from respiratory infection in her hand to eye Manor.
What is another cause of viral conjunctivitis?
Herpes virus infections. Prompt and vigorous treatment with IV acyclovir and topical eyedrops to prevent eye injury or blindness
What are symptoms of allergic conjunctivitis?
Intense itching, red eyes with watery discharge, conjunctivae which is cobblestone appearance, and puffy swollen eyes
What are treatments for bacterial conjunctivitis?
Antibiotic drops or ointment: floor quinolone (levofloxacin, ciloxan, ocuflox), ceftriaxone - goon occult conjunctivitis. Erythromycin- chlamydia
What are treatments for a viral conjunctivitis?
Comfort measures only, clean with one clean cloth, avoid bright lights when reading.
What are treatments for allergic conjunctivitis?
Topical antihistamine, decongestants with systemic antihistamines
What is usual neonatal eyesight?
20/100 or 20/400. Site is best at 8 inches away and color vision is not yet fully developed
If a child was diagnosed with bacterial conjunctivitis, how long before they can return back to school after they have been on antibiotics?
24 hours
What is Periorbital cellulitis, and what is the most common cause?
Infection of the eyelid and surrounding tissue usually buy a bacterial infection
What are common symptoms of Periorbital cellulitis
Swollen, tender, red or purple eyelids. Restricted, painful movements of area around eye, fever
For Periorbital cellulitis how long does it take for antibiotics to work?
Approximately 48 to 72 hours
What are errors in refraction?
Variations in the shape of the eyeball causing like to file somewhere else besides the retina.
What is hyperopia?
Hyperopia is one light focus is behind the retina and produces an inability to focus on nearby objects which means the patient is farsighted
If hyperopia is not treated it can cause what?
Amblyopia
What is myopia?
When light focuses in front of the retina, it produces the inability to see far off objects which means the patient is nearsighted it most commonly develops at about eight years old
What are signs and symptoms of myopia?
Headaches and squinting
What is astigmatism?
When the light is refracted differently caused by the curvature of the cornea or lens not uniformly spherical causing blurred images
What are signs and symptoms of astigmatism?
Child holding page is very close to face
What is Strabismus?
The abnormal turning of the In or out, symmetric vision is not possible. This may lead to amblyopia
What is treatment for Strabismus?
Treatment is best if started before two years to prevent amblyopia. Occlusion therapy, lenses for glasses, surgery of rectus muscles, eyedrops, prisms, eye exercises