---
product_id: 762822463
title: "Vision Convergence Training Tool - Train Vision, Improve Strength & Athletic Performance, and More! by NeuroVision"
brand: "brock string"
price: "4747 kr"
currency: ISK
in_stock: true
reviews_count: 5
category: "Brock String"
url: https://www.desertcart.is/products/762822463-vision-convergence-training-tool-train-vision-improve-strength-and-athletic
store_origin: IS
region: Iceland
---

# 6-foot precision training string Boosts eye muscle strength & convergence 5 tightly-fitted durable beads Vision Convergence Training Tool - Train Vision, Improve Strength & Athletic Performance, and More! by NeuroVision

**Brand:** brock string
**Price:** 4747 kr
**Availability:** ✅ In Stock

## Summary

> 👁️‍🗨️ Sharpen your focus, strengthen your game — see the difference before others do!

## Quick Answers

- **What is this?** Vision Convergence Training Tool - Train Vision, Improve Strength & Athletic Performance, and More! by NeuroVision by brock string
- **How much does it cost?** 4747 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/762822463-vision-convergence-training-tool-train-vision-improve-strength-and-athletic)

## Best For

- brock string enthusiasts

## Why This Product

- Trusted brock string brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Premium Durability:** High-quality nylon and polypropylene materials ensure long-lasting performance without bead slippage.
- • **Effortless Home Use:** Simple setup and intuitive design mean you can train your vision anytime, anywhere.
- • **Trusted by Thousands:** Over 1,000 five-star reviews prove its effectiveness and reliability for vision improvement.
- • **Athletic Edge Enhancement:** Designed to improve eye coordination and strength, giving you a competitive sports advantage.
- • **Precision Vision Training:** 6-foot string with 5 beads targets exact eye positions for superior convergence.

## Overview

The Vision Convergence Training Tool by NeuroVision features a 6-foot nylon string with 5 durable beads designed to improve eye convergence, strength, and athletic performance. Easy to use at home with a short learning curve, it offers premium build quality that ensures beads stay in place during training. Trusted by thousands with a 4.5-star rating, this tool is ideal for professionals seeking to enhance visual focus and coordination.

## Description

IMPROVES CONVERGENCE & PERFORMANCE: Convergence training using a Brock String can be useful for convergence insufficience, as well as strength and athletic performance.; SPORTS PERFORMANCE: With a 6-foot long string and 5 tight-fitted beads, this Brock String is great for training the eyes in specific positions - giving you the ultimate athletic edge; EASY TO USE: You can use Brock String right from the right comfort of your home with a very short learning curve involved.; HIGH QUALITY: This Brock String is designed with an extremely high quality, and highly durable string and beads.

Review: It arrived in a good condition, both the bead and the string are of good quality. The bead also doesn't shift easily so it is great!
Review: It's good. The beads slide easily but stay where you put them. The string is easy to tie and untie. The string can be drawn taunt and bounce is easily controlled.

## Features

- Brock String - Vision Convergence Training Tool - Train Vision, Improve Strength & Athletic Performance, and More!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0190LOMCQ |
| Amazon Bestseller | #681,827 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #670 in Women's Exotic Underwear |
| Batteries Included | No |
| Color | White |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,071) |
| Date First Available | October 23, 2018 |
| Material | Nylon, Polypropylene (PP) |
| Model Number | 9G-WVV7-SZRG |
| Package Dimensions | 11.9 x 9 x 2.7 cm; 18 g |
| Use Object | Adult |

## Product Details

- **Brand:** Brock String
- **Material:** Nylon, Polypropylene (PP)
- **Recommended Uses For Product:** Exercise and Fitness
- **Special Feature:** Durable
- **Target Audience:** Adult

## Images

![Vision Convergence Training Tool - Train Vision, Improve Strength & Athletic Performance, and More! by NeuroVision - Image 1](https://m.media-amazon.com/images/I/513qIyNgBPL.jpg)
![Vision Convergence Training Tool - Train Vision, Improve Strength & Athletic Performance, and More! by NeuroVision - Image 2](https://m.media-amazon.com/images/I/615dTbVdzbL.jpg)
![Vision Convergence Training Tool - Train Vision, Improve Strength & Athletic Performance, and More! by NeuroVision - Image 3](https://m.media-amazon.com/images/I/51od-gk8pjL.jpg)
![Vision Convergence Training Tool - Train Vision, Improve Strength & Athletic Performance, and More! by NeuroVision - Image 4](https://m.media-amazon.com/images/I/61lJnrLSL-L.jpg)
![Vision Convergence Training Tool - Train Vision, Improve Strength & Athletic Performance, and More! by NeuroVision - Image 5](https://m.media-amazon.com/images/I/61BKsBy53-L.jpg)

## Questions & Answers

**Q: Does it come with instructions?**
A: Yes it comes with instructions both with the product and again digitally by email.

**Q: does it improve my reaction time ?**
A: We used these for my daughter to help her eyes work together. It was suggested by her vision therapist. I played around with it also and you do get better at focusing.

**Q: Are the balls removable?**
A: You could fairly easily remove them by untying the knot at the end of the string. However it may be tricky to put them back on.

**Q: Can this be used in the bedroom?**
A: Hi, Brock String is a vision performance training tool that can be used anywhere.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by S***H on February 8, 2020*

It arrived in a good condition, both the bead and the string are of good quality. The bead also doesn't shift easily so it is great!

### ⭐⭐⭐⭐⭐ Review
*by J***B on December 2, 2025*

It's good. The beads slide easily but stay where you put them. The string is easy to tie and untie. The string can be drawn taunt and bounce is easily controlled.

### ⭐⭐⭐⭐⭐ Review
*by G***A on June 21, 2019*

Prodotto come promesso. Ottimo.

## Frequently Bought Together

- Brock String - Vision Convergence Training - Convergence Insufficiency Tool - Train Vision, Athletic Performance, and More!, White, 6 foot
- Brock String 10 Foot Vision Convergence Training Tool - Train Vision, Improve Strength & Athletic Performance, and More!
- DEFINEST Rechargeable LED Laser Headlamp with an Adjustable Waist Belt, for Sensorimotor Control Testing and Physical Therapy

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.is/products/762822463-vision-convergence-training-tool-train-vision-improve-strength-and-athletic](https://www.desertcart.is/products/762822463-vision-convergence-training-tool-train-vision-improve-strength-and-athletic)

---

*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-03-21*