COIL +4.0, 6 B.I., 43mm, Brown, 1/4 Eye OU6^B10U

Summary

AI-generated from vendor-published content · June 7, 2026

These are half-eye prismatic spectacle magnifiers — low-profile glasses worn on the lower part of the nose that provide 4.0 diopter magnification for close reading tasks. The prismatic design redirects the optical axis downward so a person can look through the lenses comfortably while a book or document sits on a table, reducing the neck strain that comes with holding standard magnifying glasses or bending to a flat surface. They're designed for someone with low vision who does sustained reading and needs both hands free — the glasses format frees up hands entirely and the brown frame suits everyday wear. This is a complete, standalone optical aid: no batteries, no charging, no pairing. At 4 diopters, the working distance is roughly 9–10 inches, so the reading material needs to be held fairly close; users who expect to read at a normal arm's length will find the positioning adjustment takes some getting used to.

What Setup Looks Like

• Out of the box
  
  1. Put on the glasses with the lenses positioned in the lower half of the visual field.
  2. Hold reading material at approximately 9–10 inches from the lenses for best focus.
• With professional help
  
  1. A low vision optometrist or optician can verify the correct diopter strength for the individual's residual vision before purchase.
  2. An occupational therapist or low vision specialist can advise on optimal reading posture and lighting to maximize benefit.

Where to Get It

Some links may be affiliate links — WhatCanHelp may earn a small commission from purchases at no extra cost to you. More on affiliates →