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Barrel Card

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Barrel Card – A Simple & Effective Binocular Vision Training Tool

The Barrel Card is a classic vision therapy tool designed to improve convergence, divergence, and fusion flexibility. It consists of a series of red and green barrels printed on a sturdy card, used in combination with red-green glasses to enhance binocular vision skills. This easy-to-use tool is particularly effective for training convergence insufficiency, suppression, and stereopsis.

Key Features:

Enhances Binocular Vision – Trains the eyes to work together for improved depth perception and fusion.
Effective for Convergence Training – Helps treat convergence insufficiency and other visual dysfunctions.
Simple & Portable – Lightweight, durable, and easy to use anywhere.
Used in Vision Therapy – Ideal for home and clinical vision training exercises.

Perfect for optometrists, vision therapists, and patients, the Barrel Card is an essential tool for strengthening binocular coordination and visual comfort.

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Processing time

According your order list. we will supply delivery time .

Commonly is 5-7 work days after we confirm payment

Shipping time

By Express : 3-7 days . Door to door service

By Air : 3-7 days . (the goods arrival at your local air ports

By sea : 30-40 days (the goods arrival at your local sea ports )

PS : by air or by sea, if you need door to door service, please tell us . we will help you checking the extra door to door cost.

How many months warranty do you provide ?
one year

What should I do if the machine have question ?
For ensuring all the items are in good quality, we will test all products before the packages were sent out. Once the machine have some question, please don't worry. kindly send us some images of the situation , Video and machine series, and explain the question in where . we will supply solution to you deal soon.

What should I do if the spare parts is broken in Warranty ?
If in Warranty, some spare parts broken in the Use. kindly supply picture or video , and machine series number .

We will send the spare parts by express to you soon.. and we bear express cost .

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Reach Us
Xiamen City,China
86-137-99759387
- Contact Person: Mr.Tina
- Business Phone: 86-13799759387
- Email: rightway@vip.tom.com
- WhatsApp: 86-13799759387
- Work Time: 8:00-21:00