**Product Specifications:**
Brand: SooGree
Product Name: Vision Training Flip Mirror
Adjustable Pupil Distance Range: 44~87mm
5 Available Degree Options: ERockCard 20/40, ±1.50D
Material: Optical Resin
Function: Vision Training
Suitable for: Children and Adults
Package Dimensions: 23*16*2 cm
Product Size: 10cm
Weight: 1.5kg
Color: Black
Includes: 5 Vision Cards
Training Content: Various characters and numbers
Training Principle: Simulates near and far vision to exercise adjustment ability
Features: Double-sided mirror with adjustable pupil distance and degree markings
Training Intensity: Recommended to start with 200 degrees for general use
Training Method: Gradually increase degree by 50 for optimal training effect
Note: Manual measurements may have slight errors, please refer to the actual product for accuracy
**How to Choose a Flip Mirror:**
1. If you have had an eye test and a prescription from an optometrist, choose the recommended degree.
2. If unsure, a general-use 200-degree mirror is recommended.
3. For optimal training, consider purchasing multiple mirrors with increasing degrees.
**Training Principle:**
The double-sided mirror simulates near and far vision to exercise the eye muscles.
Positive lens simulates far vision, while negative lens simulates near vision.
Training helps strengthen the ciliary muscles, crystalline lens, and cornea.
**Product Display:**
The product comes with 5 vision cards for diverse training content.
The optical resin lenses and high-quality plastic frame ensure durability.
The adjustable pupil distance and degree markings provide personalized training options.
**Package Includes:**
1 Vision Training Flip Mirror
5 Vision Cards
Instruction Manual
