The ocular surface · 2018
Exploring the Asian ethnic predisposition to dry eye disease in a pediatric population.
СтатьяНаблюдательное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Kim Ji Soo, Wang Michael T M, Craig Jennifer P
Аннотация
PURPOSE: To investigate the differences in ocular surface characteristics, tear film parameters, and dry eye symptomology between co-located pediatric populations of Asian and Caucasian ethnicity.
METHODS: Seventy New Zealand-born pediatric participants, aged between 5 and 18 years, were recruited in an age and environmentally controlled cross-sectional study. Participants were classified into three groups according to ethnicity and eyelid morphology: Asian single lid (ASL), Asian double lid (ADL), and Caucasian double lid (CDL). Ocular biometry, tear film parameters, ocular surface characteristics, and dry eye symptomology were evaluated in a single clinical session.
RESULTS: Overall, no significant intergroup differences were observed in tear film quality, dry eye symptomology, and meibomian gland dropout. A higher proportion of ASL and ADL participants exhibited incomplete blinking than the Caucasian group (both p < 0.001). Meibomian gland shortening was more frequently observed among the two Asian groups (both p < 0.05), while gland tortuosity was more common in the Caucasian group (both p < 0.001). ASL participants exhibited greater inferior lid wiper epitheliopathy grades than ADL participants (p = 0.01), and corneal astigmatism was more pronounced in the ASL than CDL group (p = 0.02).
CONCLUSIONS: Ethnic differences in meibomian gland morphological patterns were observed in the current pediatric cohort, although overall meibomian gland dropout did not differ between groups. Asian participants exhibited a higher degree of incomplete blinking, and more marked inferior lid wiper epitheliopathy and corneal astigmatism were observed in the ASL group. These findings would suggest that eyelid anatomy and tension may potentially be implicated in the development of ethnic differences in dry eye disease later in life.
METHODS: Seventy New Zealand-born pediatric participants, aged between 5 and 18 years, were recruited in an age and environmentally controlled cross-sectional study. Participants were classified into three groups according to ethnicity and eyelid morphology: Asian single lid (ASL), Asian double lid (ADL), and Caucasian double lid (CDL). Ocular biometry, tear film parameters, ocular surface characteristics, and dry eye symptomology were evaluated in a single clinical session.
RESULTS: Overall, no significant intergroup differences were observed in tear film quality, dry eye symptomology, and meibomian gland dropout. A higher proportion of ASL and ADL participants exhibited incomplete blinking than the Caucasian group (both p < 0.001). Meibomian gland shortening was more frequently observed among the two Asian groups (both p < 0.05), while gland tortuosity was more common in the Caucasian group (both p < 0.001). ASL participants exhibited greater inferior lid wiper epitheliopathy grades than ADL participants (p = 0.01), and corneal astigmatism was more pronounced in the ASL than CDL group (p = 0.02).
CONCLUSIONS: Ethnic differences in meibomian gland morphological patterns were observed in the current pediatric cohort, although overall meibomian gland dropout did not differ between groups. Asian participants exhibited a higher degree of incomplete blinking, and more marked inferior lid wiper epitheliopathy and corneal astigmatism were observed in the ASL group. These findings would suggest that eyelid anatomy and tension may potentially be implicated in the development of ethnic differences in dry eye disease later in life.