REGISTER

FR
Search
×
FR

Placeholder headline

This is just a placeholder headline

API SPEC 14L: Lock Mandrels and Landing Nipples : Reaffirmed

$

273

BUY NOW

Placeholder headline

This is just a placeholder headline

API SPEC 20F: Corrosion Resistant Bolting for Use in the Petroleum and Natural Gas Industries : Reaffirmed

$

169

BUY NOW

Placeholder headline

This is just a placeholder headline

API TR 5NCL Nickel Content Limits for API 5CT Sour Service Products

$

149

BUY NOW

Placeholder headline

This is just a placeholder headline

API SPEC 19ICD: Inflow Control Devices : Reaffirmed

$

189

BUY NOW

Placeholder headline

This is just a placeholder headline

API MPMS CH 23.2: Reconciliation of Liquid Tank Car(s) Quantities : Reaffirmed

$

218

BUY NOW

Placeholder headline

This is just a placeholder headline

API SPEC 16A: Specification for Drill-through Equipment

$

322

BUY NOW

Placeholder headline

This is just a placeholder headline

API RP 13B-2: Field Testing Oil-based Drilling Fluids wA1

$

388

BUY NOW

ISO 8596:2017

ISO 8596:2017 Ophthalmic optics – Visual acuity testing – Standard and clinical optotypes and their presentation

CDN $115.00

Description

ISO 8596:2017 specifies a range of Landolt ring optotypes and describes a method for measuring distance visual acuity under photopic conditions for the purposes of certification or licensing.

ISO 8596:2017 is neither intended as a standard for clinical measurements nor for the certification of blindness or partial sight.

Other optotypes used for clinical investigations are described in Annex A for information.

Edition

3

Published Date

2017-11-28

Status

PUBLISHED

Pages

10

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

ISO 8596:2017 specifies a range of Landolt ring optotypes and describes a method for measuring distance visual acuity under photopic conditions for the purposes of certification or licensing.

ISO 8596:2017 is neither intended as a standard for clinical measurements nor for the certification of blindness or partial sight.

Other optotypes used for clinical investigations are described in Annex A for information.

Previous Editions

Can’t find what you are looking for?

Please contact us at: