![]() ![]() The lower tear meniscus height was 18.74μm and 18.65μm in these groups, respectively. At the one-year visit, the non-invasive first tear film break-up time values were 6.15s and 6.18s in the experimental and control groups, respectively. No significant difference was observed in loss of meibomian glands or noninvasive average tear film break-up time between both groups. Tear film stability and meibomian gland status were measured using a Keratograph 5M (Oculus). The researchers believed that setting up the groups this way reduced the impact of most of the confounding factors on the experimental results. The experimental group (ortho-K lens on myopic eye) and control group (non-myopic eye of the same participant) each included 33 eyes. They found they weren’t significantly affected, suggesting that continuous use of ortho-K lenses for 12 months has a minimal effect on the ocular surface.Ī total of 33 children with monocular myopia who were prescribed ortho-K lenses for at least one year were evaluated. In a new study, researchers investigated the effect of overnight ortho-K lenses on tear film stability and meibomian gland status in children between the ages of eight and 15. However, there is little data on the safety of long-term overnight wear in terms of corneal health and tear film quality. ![]() ![]() The momentum for bringing myopia management efforts into mainstream practice has more practitioners than ever training to implement techniques like orthokeratology (ortho-K). Wearing ortho-K lenses for over 12 months did not significantly affect the tear film quality and the number of meibomian glands in children. ![]()
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