Continuously adjustable.
Corrects 90% of spherical errors.
Adjustable for near or far sighted.
Great back up pair for the car, nightstand, travel or anywhere you go.
dial vision as seen on tv and Light weight and durable.
Visual acuity refers to the ability to distinguish small or distant objects and subtle parts. The ability of an eye to recognize distant objects or targets is called distant vision, and the ability to identify nearby small objects or targets is called near vision. In the health check, mainly to check the distance vision. Under certain conditions, the smaller the eye can distinguish the object, the greater the visual acuity, the basic characteristics of vision is to distinguish the size of the distance between the two points. Vision can be divided into static vision, dynamic vision and night vision. Static vision refers to the human and observation objects are in a quiescent state of vision, dynamic vision refers to the eyes in the observation of moving targets, capture images, decomposition, perception of moving target images. In the high-speed environment driving, the body's physiological state will change, dial vision glasses price with embodied in: the eye's dynamic vision decreased
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