Cong_Nystagmus 2009.pdf - The Private Eye Clinic

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Defining the type of N •Do we need Eye movement recordings EMR ? KOWAL MEACO 2009 14
Clinical Features CN 1. L beat in L gaze / R beat in R gaze (either side of null zone) 2. Eccentric null 3. Convergence null (better reading VA) 4. Latent component (can be pseudo-latent) 5. Usu. horizontal, can be torsionalor vertical or all LMLN 1. Nystagmus on lateral gaze (moving away from adduction null) 2. Fast beat to fixing eye 3. Adduction null – can cause face turn or head tilt 4. Latent component 5. Can be horizontal or torsional or both KOWAL MEACO 2009 15
Page 1 and 2: CONGENITAL NYSTAGMUS WHEN TO RECORD
Page 3 and 4: Clinical Features CN 1. L beat on L
Page 5 and 6: Why does CN occur? 2 • Genetic re
Page 7 and 8: Whatever caused it, cNwill then deg
Page 9 and 10: Principles of treatment of CN •1.
Page 11 and 12: 2. Improve 2ary effects such as fac
Page 13: Effects / Treatment of LMLN • Red
Page 17 and 18: CN c.f. LMLN • STRABISMUS : LMLN
Page 19 and 20: ‘I AM WORSE THAN I USED TO BE’
Page 21 and 22: Clinical correlations : Dr Elaine W
Page 23 and 24: Clinical and EMR Correlation KOWAL
Page 25 and 26: Predictive Values of Clinical Featu
Page 27 and 28: Predictive Values of Clinical Featu
Page 29 and 30: Does everyone with N need to be rec
Page 31 and 32: SURGERY IN cN : CN • Eccentric nu
Page 33 and 34: Eccentric null ≤ 20° L face turn
Page 35 and 36: SURGERY IN CN : Convergence null
Page 37 and 38: SURGERY IN cN : PAN • Look for co
Page 39 and 40: THE RECENT PAST AND THE IMMINENT FU

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