---
kind: "section"
citation: "16 C.F.R. § 456.1"
title: "16"
number: "456.1"
heading: "Definitions."
url: "https://uscodex.org/cfr/16/456.1"
---

# §456.1. Definitions.

- (a) **A <I>patient</I> is any person who has had a refractive eye examination.**
- (b) A refractive eye examination is the process of determining the refractive condition of a person's eyes or the presence of any visual anomaly by the use of objective or subjective tests.
- (c) **Ophthalmic goods—** are eyeglasses, or any component of eyeglasses, and contact lenses.
- (d) **Ophthalmic services—** are the measuring, fitting, and adjusting of ophthalmic goods subsequent to a refractive eye examination.
- (e) An ophthalmologist is any Doctor of Medicine or Osteopathy who performs refractive eye examinations.
- (f) **An <I>optometrist</I> is any Doctor of Optometry.**
- (g) A prescription is the written specifications for lenses for eyeglasses which are derived from a refractive eye examination, including all of the information specified by State law, if any, necessary to obtain lenses for eyeglasses.

## Notes

### Amendments

[57 FR 18822, May 1, 1992, as amended at 89 FR 60774, July 26, 2024]

### Authority

Authority: 15 U.S.C. 57a.

### Source

Source: 57 FR 18822, May 1, 1992, unless otherwise noted.

### Amendments

[57 FR 18822, May 1, 1992, as amended at 89 FR 60774, July 26, 2024]