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Revista Mexicana de Oftalmología

Anales de la Sociedad Mexicana de Oftalmología y Archivos de la Asociación Para Evitar la Ceguera en México
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2005, Number 4

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Rev Mex Oftalmol 2005; 79 (4)

Correspondence between occlusion nystagmus and visual acuity in patients with dissociated vertical deviation.

Romero-Apis D, Zavaleta-Herrera FE
Full text How to cite this article

Language: Spanish
References: 5
Page: 197-200
PDF size: 223.15 Kb.


Key words:

Latent nystagmus, dissociated vertical deviation, visual acuity.

ABSTRACT

Purpose: Study of the correlation between changes in visual acuity and changes in latent nystagmus explored with a translucent cover test.
Material and methods: 50 eyes were explored, 25 patients with latent nystagmus in which visual acuity was taken with an opaque cover and a translucent cover, comparing the changes in visual acuity with the nystagmus movement.
Results: Visual acuity improved in 25 eyes of 17 patients (68%), in average visual acuity improved one line in the Snellen chart. Nystagmus improved in 18 eyes (36%) without finding a correlation with visual improvement.
Conclusion: Visual acuity is best explored with a translucent cover obtaining a more precise result in patients with latent nystagmus. The changes in magnitude of the nystagmus will not be evident for the explorer even when the improvement of the visual acuity is the result of the improvement of the nystagmus.


REFERENCES

  1. 1. Romero-Apis D. Nistagmo congénito. En: Romero-Apis D (ed). Estrabismo. México, Auroch, 1998. p.245-258.

  2. 2. Childhood nistagmus. En: Simon JW (ed). Basic and clinical science course. San Francisco, American Academy of Ophthalmology, 2003. p. 147-159.

  3. 3. Repka MX. Nystagmus: clinical evaluation and surgical management. En: Rosenbaum AL (ed). Clinical strabismus management principles and surgical techniques. Philadelphia, Saunders, 1999. p. 404-420.

  4. 4. Spielmann,A. Les nistagmus manifestes/latents. En: Spielmann A (ed). Les strabismes. Paris, Masson, 1991. p. 241-258.

  5. 5. Brodsky MC, Tusa RJ. Latent nistagmus. Arch Ophthalmol 2004; 122:202.




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Rev Mex Oftalmol. 2005;79