BS 4274-1:1968
Withdrawn
Date published:
Visual acuity test types, Specification for test charts for clinically determining distance visual acuity
Basic requirements for test charts designed for either internal or external illumination, employing English (Roman) capital letters to determine the distance visual acuity. Provision is also made for the single letter C (Landolt or broken ring) and the single letter E (illiterate E) in various orientations.
| Get this standard | Prices exclude GST | |
|---|---|---|
| PDF ( Single user document) |
$257.39 NZD
|
|
Related Information
11.040.70 Ophthalmic equipment
Similar Standards
-
AS/NZS 14889:2015
Ophthalmic optics - Spectacle lenses - Fundamental requirements for uncut finished lenses -
AS/NZS 14889:2015 A1
Ophthalmic optics - Spectacle lenses - Fundamental requirements for uncut finished lenses -
AS/NZS 21987:2019
Ophthalmic optics – Mounted spectacle lenses -
AS/NZS 8980.1:2019
Ophthalmic optics - Uncut finished spectacle lenses - Part 1: Specifications for single-vision and multifocal lenses
BS 4274-1:1968
Get this standard
Prices exclude GST
PDF
( Single user document)
$257.39 NZD