American journal of ophthalmology · 2006
Slit-scanning topography in vernal keratoconjunctivitis.
Сравнительное исследованиеСтатьяНазвание и аннотация: Перевод в очереди
Обработка статьи · этапы, ошибки и управление
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Barreto Jackson, Netto Marcelo Vieira, Santo Ruth M, José Newton Kara, Bechara Samir Jacob
Аннотация
PURPOSE: To determine slit-scanning topographic (SST) pattern of eyes with vernal keratoconjunctivitis (VKC) and to detect the incidence of keratoconus in this population when compared with a healthy control group.
DESIGN: Cross-sectional study.
METHODS: A total of 104 patients, 50 eyes with VKC and 54 normal eyes, were included in this study. A comparison was performed between the two groups on the basis of SST data. Distribution curves were established for anterior and posterior elevation peaks, and for the pachymetric index.
RESULTS: Anterior and posterior elevation peaks, elevation color patterns, central curvature, thinnest pachymetry, and pachymetric index differed significantly between VKC and control group (P < .05). Distribution curves have also shown abnormal patterns in VKC. Significant correlations were found between elevation peaks and pachymetric index (P < .001), and exponential curves were plotted. A higher frequency of keratoconus was found in the VKC group (P < .01).
CONCLUSIONS: Patients with VKC have more abnormal corneal SST patterns than controls. SST abnormal findings may alert us for the risk of keratoconus in this population.
DESIGN: Cross-sectional study.
METHODS: A total of 104 patients, 50 eyes with VKC and 54 normal eyes, were included in this study. A comparison was performed between the two groups on the basis of SST data. Distribution curves were established for anterior and posterior elevation peaks, and for the pachymetric index.
RESULTS: Anterior and posterior elevation peaks, elevation color patterns, central curvature, thinnest pachymetry, and pachymetric index differed significantly between VKC and control group (P < .05). Distribution curves have also shown abnormal patterns in VKC. Significant correlations were found between elevation peaks and pachymetric index (P < .001), and exponential curves were plotted. A higher frequency of keratoconus was found in the VKC group (P < .01).
CONCLUSIONS: Patients with VKC have more abnormal corneal SST patterns than controls. SST abnormal findings may alert us for the risk of keratoconus in this population.