Archivos de la Sociedad Espanola de Oftalmologia · 2017
Topical brinzolamide in congenital nystagmus: A retrospective study.
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Nieves-Moreno M, Morales Fernández L, Domingo Gordo B, Maillo E, Diaz E, Gómez-de-Liaño R
Аннотация
OBJECTIVE: To evaluate the effect of treatment with topical brinzolamide on visual acuity and nystagmus intensity in patients with congenital nystagmus.
MATERIAL AND METHODS: A retrospective study was designed in which the clinical records of 14 patients with congenital nystagmus were reviewed. All patients underwent a complete ophthalmological examination and a Perea video-oculography (VOG) before, and three days after, initiation of treatment with topical brinzolamide (Azopt). Five expert researchers evaluated the intensity of nystagmus by video before and after treatment. Finally, the subjective improvement of the patients was recorded.
RESULTS: Statistically significant differences were found in pre- and post-treatment binocular near visual acuity. A slight increase in the frequency of nystagmus was found, which was statistically significant with the horizontal gaze to the left and with the gaze downwards (P=.04, P=.03, respectively). The kappa index concordance between the researchers evaluating the intensity of nystagmus was 0.014. Only two of the patients noticed improvement in visual acuity, and one patient noticed improvement in the aesthetic aspect.
CONCLUSIONS: In spite of an improvement in nystagmus, it was slight, not cosmetically appreciable by patients in most cases, and was not related to a significant improvement in visual acuity or in patient quality of life. Further studies are needed to evaluate the effects of topical brinzolamide, and to establish potential therapeutic indications in nystagmus.
MATERIAL AND METHODS: A retrospective study was designed in which the clinical records of 14 patients with congenital nystagmus were reviewed. All patients underwent a complete ophthalmological examination and a Perea video-oculography (VOG) before, and three days after, initiation of treatment with topical brinzolamide (Azopt). Five expert researchers evaluated the intensity of nystagmus by video before and after treatment. Finally, the subjective improvement of the patients was recorded.
RESULTS: Statistically significant differences were found in pre- and post-treatment binocular near visual acuity. A slight increase in the frequency of nystagmus was found, which was statistically significant with the horizontal gaze to the left and with the gaze downwards (P=.04, P=.03, respectively). The kappa index concordance between the researchers evaluating the intensity of nystagmus was 0.014. Only two of the patients noticed improvement in visual acuity, and one patient noticed improvement in the aesthetic aspect.
CONCLUSIONS: In spite of an improvement in nystagmus, it was slight, not cosmetically appreciable by patients in most cases, and was not related to a significant improvement in visual acuity or in patient quality of life. Further studies are needed to evaluate the effects of topical brinzolamide, and to establish potential therapeutic indications in nystagmus.