Journal of AAPOS : the official publication of the American Association for Pediatric Ophthalmology and Strabismus · 2022
Ocular surface characteristics in pediatric vernal keratoconjunctivitis: a clinico-cytological study.
СтатьяНазвание и аннотация: Перевод в очереди
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Sabu Shilpa, Gupta Noopur, Raj Nimmy, Panigrahi Arnav, Lomi Neiwete, Vanathi Murugesan, Vashist Praveen, Sen Seema, Tandon Radhika
Аннотация
PURPOSE: To compare the ocular surface parameters of children with vernal keratoconjunctivitis (VKC) with those of healthy controls and to correlate cytological characteristics with clinical findings and disease severity.
METHODS: Newly diagnosed cases of VKC, not currently being treated, were recruited, along with age-matched controls with no ocular comorbidities. The Ocular Surface Disease Index questionnaire (OSDI) was administered to all children. Slit lamp biomicroscopy for meibomian gland dysfunction and ocular surface analysis was performed, including tear meniscus height, noninvasive tear film break-up time, lipid layer thickness, meibomian gland morphology, and meibomian gland duct distortion on meibography imaging. Conjunctival impression cytology was also performed.
RESULTS: A total of 68 VKC patients and 33 controls were included. Statistically significant difference was seen in the mean OSDI score (30 ± 13.7 vs 16.1 ± 3 [P ≤ 0.01]), lipid layer thickness (24.2 ± 7.9 nm vs 69.9 ± 15.1 nm [P <0.001]), and noninvasive tear film break-up time (6.8 ± 1.7 vs 12.5 ± 1.8 sec [P < 0.01]) between groups. Mean tear meniscus height was 0.22 ± 0.06 mm in the VKC and 0.24 ± 0.04 mm in the control group (P = 0.096). Significant association was seen between grade of squamous metaplasia and severity of VKC (P < 0.01). Severity of VKC was found to be positively correlated with OSDI score (r = 0.767), grade of squamous metaplasia (r = 0.64) and negatively correlated with noninvasive tear film break-up time (r = -0.468), and lipid layer thickness (r = -0.253).
CONCLUSIONS: This study highlights the poor ocular surface health of children with VKC, with severe disease being associated with worse forms of dry eye disease.
METHODS: Newly diagnosed cases of VKC, not currently being treated, were recruited, along with age-matched controls with no ocular comorbidities. The Ocular Surface Disease Index questionnaire (OSDI) was administered to all children. Slit lamp biomicroscopy for meibomian gland dysfunction and ocular surface analysis was performed, including tear meniscus height, noninvasive tear film break-up time, lipid layer thickness, meibomian gland morphology, and meibomian gland duct distortion on meibography imaging. Conjunctival impression cytology was also performed.
RESULTS: A total of 68 VKC patients and 33 controls were included. Statistically significant difference was seen in the mean OSDI score (30 ± 13.7 vs 16.1 ± 3 [P ≤ 0.01]), lipid layer thickness (24.2 ± 7.9 nm vs 69.9 ± 15.1 nm [P <0.001]), and noninvasive tear film break-up time (6.8 ± 1.7 vs 12.5 ± 1.8 sec [P < 0.01]) between groups. Mean tear meniscus height was 0.22 ± 0.06 mm in the VKC and 0.24 ± 0.04 mm in the control group (P = 0.096). Significant association was seen between grade of squamous metaplasia and severity of VKC (P < 0.01). Severity of VKC was found to be positively correlated with OSDI score (r = 0.767), grade of squamous metaplasia (r = 0.64) and negatively correlated with noninvasive tear film break-up time (r = -0.468), and lipid layer thickness (r = -0.253).
CONCLUSIONS: This study highlights the poor ocular surface health of children with VKC, with severe disease being associated with worse forms of dry eye disease.