Our tools

Essential Screening Tools for Accurate Eye Care.

Dot Glasses offers three key screening tools to help professionals quickly and affordably identify vision problems. Whether you’re conducting field assessments or clinic-based exams, these tools are compact, durable, and purpose-built for eye care in any environment.

A pocket-sized tool for examining the retina and anterior eye.

Arclight- World’s Most Portable Ophthalmoscope.

The Arclight is a 3-in-1 solar-powered ophthalmoscope and otoscope packed with additional features and trusted in over 100 countries. Designed for simplicity, durability, and precision, it’s ideal for eye screenings in remote, low-resource areas.

  • Detect cataracts, infections, and eye disease
  • Conduct ear exams
  • Highly durable for field work
  • Solar charging – no batteries required
  • Weighs under 20g, fits in your pocket with fast training for general health practitioners i.e. nurses or clinicians.
  • Ultra-Portable Design
    Weighs just 20g and fits in your pocket — ideal for on-the-go use.

  • 3-in-1 Functionality
    Combines an ophthalmoscope, otoscope, and anterior segment loupe in one tool.

  • Dual Charging Options
    Charges via USB-C in 20 mins or through solar — perfect for low-resource settings.

  • Bright, Safe LED Light
    Offers 3 light modes with low UV/IR output, ensuring clear and safe exams.

A simple tool to detect refractive errors no electricity or training needed.

Holo Bio – Instant Screening, No Power Needed

Holo is the lowest-cost premium quality binocular indirect ophthalmoscope in the world. It is a truly portable and solar-powered BIO designed to improve access to high-quality eye care services and training. 

  • A decade of research and refinement
  • Conduct widefield retinal exams
  • Disc and macula, anterior segment evaluations
  • Fundal red reflex testing.
  • Teaching mirror included
  • Truly Portable
    Weighs just 97g, pocket-sized, and wearable.
  • User-Friendly
    Five-level LED illumination enhances clarity and patient comfort.
  • Dual Charging Options
    Solar-powered and USB-C rechargeable, eliminating battery waste.
  • Accessible
    Priced at a fraction of other products, the Holo makes delivering high-quality eye care services attainable for all.

Vision Testers – Accurate Tools for Distance and Reading Vision

Our testers facilitate the Clear Sight approach for near and distance vision. 

The testers are designed for quick and accurate dioptre selection and include a simple pupil distance measurement tool for lens alignment within the Dot Glasses frames.These are durable, compact, and ideal for fieldwork in schools or community setups.

  • Includes laminated testing charts
  • Easy-to-use tools for anyone, without specialist background
  • Built to support fast, accurate screenings

NB: These testers are designed for the Dot Glasses Clear Sight method.

  • Simple & Portable
    Lightweight, compact, and easy to use anywhere, no electricity needed.
  • Accurate Vision Testing
    Includes distance and reading testers, plus a built-in pupil distance tool for precise lens fitting.
  • Durable & Reusable
    Made for tough environments; weather-resistant and built for multiple uses.

  • User-Friendly Design
    Minimal training required, with clear instructions for quick and confident vision testing.