Purpose:
To determine the prevalence of keratoconus among high school students in Wellington, New Zealand.
Method:
The Wellington Keratoconus Study was a population-based prospective cross-sectional study of 2 cohorts in Wellington: cohort 1 (year 9 students, mean age 13.9 years) and cohort 2 (year 11 students, mean age 15.5 years).
Results:
A total of 1916 students with a mean age of 14.6 years participated from 20 schools in the region. Keratoconus was found in 1:191 (0.52%) participants overall and in 1:45 (2.25%) Maori participants. Pentacam mean Kmax of 48.7 diopters (D) (cohort 1, 45.5 D; cohort 2, 49.9 D), thinnest pachymetry of 494.05 μm (cohort 1, 479.0 μm; cohort 2, 499.5 μm), posterior elevation at the thinnest point of 23.4 (cohort 1, 15.2; cohort 2, 26.6), Belin/Ambrosio enhanced ectasia display overall D value of 4.30 (cohort 1, 3.2; cohort 2, 4.7) were noted in participants with keratoconus. In those with keratoconus, 8 of 10 had visual impairment of 0.2 Logarithm of the Minimum Angle of Resolution (LogMAR) or worse in the better eye; 7 of 10 did not use visual aids; 7 of 10 had atopy; and 6 of 10 were from a low school decile. In those without keratoconus, 43.8% had atopy.
Conclusions:
Keratoconus may affect up to 1 in 191 New Zealand adolescents and 1 in 45 Maori adolescents. Keratoconus appeared to be associated with Maori ethnicity, atopy, lower school decile, visual impairment, and the underutilization of visual aids. Nationwide screening programs may have a role in reducing the burden of disease associated with keratoconus.
Childhood obesity has multiple interrelated causes and so should be addressed with multiple interventions, including innovative nutrition education programs that encourage healthy lifestyle choices in children. Research indicates that garden-based nutrition education increases fruit and vegetable preferences and consumption in children. Additionally, many reports on Farm to School programs indicate they promote both increased consumption of fruits and vegetables and participation in the National School Lunch Program. Within California, UC Agriculture and Natural Resources plays a leadership role in school garden and Farm to School programs. We provide a relevant literature review and assess the role of UC Cooperative Extension (UCCE) in program implementation and assessment, including results from a survey of UCCE advisors and directors. All respondents reported implementation of garden-based nutrition education and Farm to School programs; however, evaluation occurred much less frequently.
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