Characteristics of the lens of the Optical lens mold tool
Release time:
2022-11-24 13:09
Source:
The optical lenses of the Optical lens mold tool are divided into spherical lenses and cylindrical lenses. The curved surface of the spherical lens is a part of the spherical surface, and is classified into a convex spherical lens or a concave spherical lens according to the aggregation or separation of parallel rays.
The convex spherical optical lens of the Optical lens mold tool is used to correct hyperopia, presbyopia or aphakic eyes, and the concave spherical lens is used to correct myopia.
The curved surface of the cylindrical lens of the Optical lens mold tool is a part of the column. The axis of the cylindrical lens is parallel to the cylinder, and has no refractive power in the direction of the axis. The refractive power in the direction perpendicular to the axis is the largest. Corrects astigmatism for farsightedness or nearsightedness.
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Cleaning and maintenance of the spectacle lenses of the Optical lens mold tool. Generally speaking, the lens should be cleaned once every 2 days. 1. When taking off the glasses, handle with care and place the lens face up to prevent the lens surface from being worn. 2. Do not expose the glasses in a humid environment or under high temperature such as sunlight, so as not to damage the lenses. 3. Insist on washing more and rubbing less, which is the best way to maintain the lens.
Through the above introduction and analysis of the Characteristics of the lens of the Optical lens mold tool, hope it helps you.
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