Over half of tested reading specs fail to list key details to prevent eye strain

More than half of the reading glasses tested by Hong Kong’s consumer watchdog failed to label pupillary distance, a key measurement for aligning lenses to ensure clear vision and reduced risk of eye strain.
The Consumer Council tested 17 models of ready-to-wear reading glasses between January and May this year, with the claimed degree of presbyopia for all models being +2.50 or +2.5 dioptres – commonly known as 250 degrees.
The product prices also ranged from HK$8 to HK$490.
The watchdog’s...