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Details

Med Surg: Ophtho - PPT 4
Fall Semester - 2010 (Pediatric Pt Ophthalmic Anomalies)
26
Medical
Graduate
11/03/2010

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Cards

Term
At what age are children able to see 20/20?
Definition
Approximately 5y/o
Term
How long does nystagmus last in a sighted child after vestibulo-oculi stimuli has ceased? Sight-impaired child?
Definition
Sighted - 3 to 5 sec
Impaired - 15 to 20 sec
Term
What type of pupil is described as Constriction in dim illumination, dilation in bright illumination?
Definition
Paradoxical Pupil
Term
When is fixation fully developed in an infant?
Definition
3 m old
Term
When does pursuit fully develop?
Definition
between 6 and 8 weeks old
Term
When does saccade (fast eye movement) become present?
Definition
present at birth and well-developed by 3 months
Term
What is the Medical term used when the two eyes are not straight or aligned?
Definition
Strabismus
Term
Which strabismus is the most common type of eye turn occurring in approximately 1-2% of the population?
Definition
Esotropia
Term
Which type of eye turn is an inward deviation of the eye, "cross-eye"?
Definition
Esotropia
Term
Which type of eye turn is an outward deviation of the eye?
Definition
Exotropia
Term
What is the most successful form of treatment for most cases of strabismus?
Definition
Vision Therapy
Term
What condition, also known as "lazy eye" is described as Reduced vision – not correctable with lenses?
Definition
Amblyopia
Term
Which condition is described as Rhythmic oscillation of the eyes? What should you r/o in a child with this condtion?
Definition
Nystagmus; r/o vision impairment
Term
Which condition is described as an idiophatic disorder characterized by an abnormal development of retinal vessels (telangiectasia) with a progressive deposition of intraretinal or subretinal exudates, potentially leading to exudative retinal detachment?
Definition
Coats Disease
Term
What part of the vision does coat's disease affect?
Definition
Central vision
Term
Which pediatric tumor is described as appearing as a strawberry nevus if located in more external orbit or as a blue eyelid mass if deeper in orbit, that may cause ptosis if or amblyopia of the involved eye? Malignant or Benign?
Definition
Capillary hemangioma; Benign
Term
With a capillary hemangioma what test should be ordered to distinguish area of involvement?
Definition
Orbital CT
Term
Which pediatric ocular tumor is desrcibed as Painless, palpable, flesh colored mass, Composed of connective tissue, is very slow growing and can cause chronic astigmatism is not removed? Malignant or Benign?
Definition
Dermoid; Benign
Term
What is the most common primary pediatric orbital malignancy?
Definition
Rhabdomyosarcoma
Term
Which pediatric tumor has signs and sx described as Very rapid onset of unilateral proptosis, with lid edema and Possible lid discoloration? Benign or Malignant?
Definition
Rhabdomyosarcoma; Malignant
Term
What may show on a CT Orbital Scan with Rhabdomyosarcoma? What about orbital cellulitis?
Definition
Rhabdomyosarcoma = may show bony orbital destruction;
Orbital Cellulitis infection will light up bright on CT
Term
What is the Most common intraocular malignancy in childhood?
Definition
Retinoblastoma
Term
With Retinoblastoma, what is the prognosis for survival? What is the prognosis of affected eye?
Definition
Retinoblastoma is Highly malignant and metastatic, but survival rates are good (85 - 90%), Prognosis of the eye is questionable (based on ocular involvement)
Term
What condition has sx including strabismus, decreased vision, swelling, unusual "white reflex" in photos?
Definition
Retinoblastoma
Term
When should routine eye exams begin in children?
Definition
6 months old
Term
What is the most common malignant tumor that involves the eye in children?
Definition
Leukemia
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