By R. J. Balkan
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Extra info for At the Crossing: Pediatric Ophthalmology And Strabismus (Noao Meeting Proceedings) (Noao Meeting Proceedings)
2. Posterior lentiglobus. D. Ellis Fig. 3. Juvenile rheumatoid arthritis, unilateral, with inflammation, cataract. Fig. 4. Poliosis, Vogt-Koyanagi-Harada syndrome. pmd 32 12/5/2003, 12:43 PM Etiology of pediatric cataracts 33 Fig. 5. Vogt-Koyanagi-Harada syndrome with cataract, teen-age patient. patient for evidence of a carrier state, particularly if the patient is male. The Coppock cataract (AD) was the first hereditary cataract for which a genetic locus was determined because of its proximity to the Duffy blood groups on Chromosome 1.
Is the cataract visually significant? One of the most difficult decisions is when to operate on an infant or preverbal child with a partial cataract. The red reflex, obtained by the direct ophthalmoscope or retinoscope, is the standard method of determining whether an infantile cataract is visually significant. 18 Clinical evaluation should include examination of monocular and binocular fixation patterns and grading the ability of the child to pick up small objects in the palm of the hand. The pattern visual evoked potential and preferential looking testing can help in establishing an estimate of visual acuity.
D. Ellis Fig. 12. Nuclear cataract. Fig. 13. Gyrate atrophy (hyperornithinemia), cataract. pmd 40 12/5/2003, 12:43 PM Etiology of pediatric cataracts 41 Fig. 14. Gyrate atrophy (hyperornithinemia), peripheral retina. Fig. 15. Neurofibromatosis Type II, cataract. D. Ellis competence to perform the examination, the patient’s pediatrician is informed as to the diagnosis of cataract and is queried about his own physical examination. If these examinations are entirely normal and the patient appears to be healthy except for the cataracts, little or no further investigation is required in the majority of cases.
At the Crossing: Pediatric Ophthalmology And Strabismus (Noao Meeting Proceedings) (Noao Meeting Proceedings) by R. J. Balkan