One-year efficacy of myopia control by the defocus distributed multipoint lens: a multicentric randomised controlled trial

Aims
To report the 1-year results of the efficacy of a defocus distributed multipoint (DDM) lens in controlling myopia progression in a multicentre, randomised controlled trial.

Methods
Overall, 168 children aged 6–13 years were recruited and r…

Real-world application of a smartphone-based visual acuity test (WHOeyes) with automatic distance calibration

Background
To develop and assess the usability of a smartphone-based visual acuity (VA) test with an automatic distance calibration (ADC) function, the iOS version of WHOeyes.

Methods
The WHOeyes was an upgraded version with a distinct feature of ADC…