The prevalence of myopia among the Chinese schoolchildren population in Hong Kong as observed in this cross-sectional study are similar to our previously reported findings from almost two decades ago. There is no evidence that prevalence of myopia is increasing with time over the last two decades. However, the prevalence and degree of myopia in Chinese children is high as compared with other ethnic groups such as those reported among Caucasians.

The pulse detection feature from this new NCT could capture and monitor pulse waves, thus reducing the variations in the consecutive measurements. The NT-4000 also performed better than the NT-2000 when compared with the Goldmann tonometry.

Because it is difficult to standardize the pressing force, it is recommended to place the hard-boiled egg close to, but not touching, the eyelid during warm compress therapy. The temperature rise from this treatment protocol should be large enough to melt the meibomian gland secretions without distorting the corneal shape.