Tom's
eyesight was beginning to fail.
汤姆的视力开始减退。
Mary was born with weak
eyesight.
玛丽天生视力差。
Tom's grandpa has bad
eyesight.
汤姆的爷爷视力不好。
According to the recent Global Eye Health Survey by Johnson & Johnson Vision, nearly half of interviewees said they are improving their eyesight by wearing a combination of glasses and contact lenses.
It's also important to give parents presbyopic glasses so that they can work for more years with ideal eyesight and will be able to financially support their children for schooling for more years and bring a positive cycle to the families," Vacherot said.
Chinese consumers have a growing need to prevent deterioration of eyesight and avoid eye discomfort, Lim said.
Sally owns a solar reading light and said her children are able to read thanks to the brighter light that does not affect their eyesight.
Even for those who have their eyesight corrected, the products may have been "500 years old", as Dumas joked.
The outdated eyewear means a lack of comfort, or inability to prevent damage from such things as blue light or UV light, which are considered harmful to eyesight.
In August, a top government leader declared that poor eyesight has become a national epidemic in China and called for the issue to be addressed so teenagers had a "bright future".
The 8K TVs have a screen resolution ratio of 7,680 by 4,320 pixels - 4.3 times clearer than human eyesight and four times higher than the 4K ones, which are still hit products of most TV manufacturers in Chinese home appliance stores.
The condition results in about 85 percent of patients having weak eyesight and a poor quality of life, creating burdens for their families and society, Wang said.
Good eyesight is required to spot edible mushrooms.
According to her, those participating in flower auctions must possess keen eyesight and swift reaction.
Also at the Boao Super Hospital of the zone, doctors from Wenzhou recently conducted the country's first artificial iris implant surgery, a technology from Germany that has helped restore eyesight for a young man whose right eye was hit with a piece of hot iron eight months ago when working at a factory in Shandong province.
Globally, about 86 percent would rather give up their hearing than their eyesight but only a third actively takes care of their eyes or get regular eye tests.
Many factors can lead to a deterioration in eyesight and eye discomfort.