With the increase of current varieties of reading glasses availabled in the market, how to choose a pair of reading glasses have become a headache for the old. In order to dispose this hard task, our reporter visited several special optical stores and experts, and compiled a number of options for the readers reading glasses for a few tips.
Lens choices vary
Currently reading glasses which are available in the market, basically can be divided into two types: single-lens reading glasses and progressive lenses reading glasses. The former is that we often say that the usual sense of “reading glasses”, which features the single comparison applies only to look at things only need to wear the past like glasses. Prices of these glasses are relatively more affordable. The latter, that is, progressive lenses reading glasses, and some also known as bifocal or multifocal gradient-type glasses, in fact, is to correct myopia, presbyopia and other functions rolled into eyeglasses, to achieve “multi-mirror wearing one.” However, wearing such glasses requires that elderly people have to adapt to a stronger ability in relatively good physical condition, especially in the elderly when it is easy to cause the parallax when up and down the stairs . Therefore, the wearers with progressive lenses should be careful. According to a certain staffs, the general adaptation to such a cycle depends on the individual circumstances of the case, to one to three weeks as the base, if, or unable to adapt to, it is recommended for single-lens wearing suitable reading glasses.
How to buy reading glasses
Reading glasses available in the market in a wide variety, how to shopping should mainly according to their needs and economic conditions.
Single glasses: each point of the entire lens to see close-scene is very explicit.
Disadvantages: you can only look at things closely, the vision far away are blurred. Suitable for people who have the regular reading habits to see close objects.
Progressive glasses: You can take care of long, medium, and close of distance, the lens are without boundaries, and often has a good appearance.
Drawback: the bottom of the left and right lenses are deformation zones, so that images blurred and irregular, usually you need 1 to 3 weeks to adapt to it. In addition, it’s a narrow field of vision in close, long focused on the narrow focus of easy to make eyes tired. These glasses are suitable for applications requiring far, nearly alternate who visual objects.