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Description
-Function: The light fins are to change the accommodating stimulus, the positive mirror reduces the accommodating stimulus, the negative mirror increases the accommodating stimulus, and the stimulus remains unchanged;
- Lens material: The optical fins use high-definition resin lenses, which are clear and transparent, with accurate diopter, bringing you a clear vision and easy to use;
- Reversible: the lens test can be by both adults and children. The optical flip slider snaps on and is reversible for convenience
-Plastic material: The optometry flap is made of plastic, which is safe and , sturdy and durable, light in weight, and easy to hold and operate.
-Wide range of applications: This plastic flip lens is suitable for people with short-sightedness, low-sightedness, astigmatism and -sightedness, bringing a satisfying experience. One of the best options for you.