Nalezeno 49 nabídek. (Zobrazuji 1 – )
ČSN EN ISO 11986This document provides general procedures for the selection of methods, preparation of samples, and the conduct of testing for the uptake and release of preservatives from contact lenses. NOTE 1: Due to the manifest difficulties of reproducibility when...
ČSN EN ISO 8624This document specifies a measuring system for spectacle frames and related vocabulary. It is applicable to spectacle frames with fronts that are intended to be symmetrical.
ČSN EN ISO 11980This document gives requirements and guidelines for the clinical investigation (CI) to establish the safety and performance of contact lenses and contact lens care products. NOTE 1 - This document attempts to align the recognised regulatory requirements...
ČSN EN ISO 7921This document applies to printed, projected, and electronic displays of high-contrast text that are designed for assessment and measurement of near reading acuity under photopic conditions. The definitions and requirements of this document apply to the...
ČSN EN 16128 ed. 2This European Standard specifies the reference method for the testing of spectacle frames, ready-to-wear spectacles, sunglasses and other items for eye and face protection for nickel release. The reference method supports the demonstration of...
ČSN EN ISO 12870This document specifies fundamental requirements and their test methods for unglazed spectacle frames designed for use with prescription lenses. It is applicable to spectacle frames at the point of sale by the manufacturer or supplier to the retailer....
ČSN EN ISO 22665
ČSN EN ISO 11981This document describes the general procedure and performance criteria for assessing the physical compatibility of contact lens care products with contact lenses and for determining whether the observed changes are reversible.
ČSN EN ISO 13666This document defines terms relating to ophthalmic optics, specifically to blanks, finished spectacle lenses and fitting purposes. Terms relating to processes and material for fabrication and surface treatment (other than some specific terms relating to...
ČSN EN ISO 8980-5
ČSN EN ISO 18369-4This document specifies the methods of testing the physicochemical properties of contact lens materials. These are extraction, rigid lens flexure and breakage, oxygen permeability, refractive index and water content.
ČSN EN ISO 8596This document 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.This document is neither intended as a standard for clinical...
ČSN EN ISO 18369-2This document specifies the tolerance limits of the principal optical and physical parameters of rigid corneal, rigid scleral and soft contact lenses at the time of manufacture. These tolerances might not apply to other purposes, for example,...
ČSN EN ISO 19979This document provides guidance to manufacturers for the development of information to be provided to eye care practitioners for the hygienic management of trial hydrogel, composite and rigid gas-permeable (RGP) contact lenses intended for multipatient...
ČSN EN ISO 16284
ČSN EN ISO 10322-2This part of ISO 10322 specifies requirements for the optical and geometrical properties of semi-finished lens blanks with finished progressive-power and degressive-power surfaces.
ČSN EN ISO 10685-2This part of ISO 10685 specifies the commercial information and file format used for trading spectacle frames and sunglasses. This part of ISO 10685 includes sunglass clip-ons.
ČSN EN ISO 11380Tato mezinárodní norma stanovuje charakteristiky šablon používaných u strojů pro tvarování čoček určených k zasazování do brýlových obrub. Nelze ji použít pro samostatné šablony potřebné pro dodatečné zpracování čoček, například pro fazetování.
ČSN EN ISO 10322-1This part of ISO 10322 specifies requirements for the optical and geometrical properties of all semi-finished single-vision and multifocal spectacle lens blanks.
ČSN EN ISO 7998V této mezinárodní normě se definují termíny vztahující se k brýlovým obrubám a brýlovým čočkám a uvádí se seznam ekvivalentních termínů v angličtině, francouzštině, ruštině, němčině, italštině, španělštině, americké angličtině, japonštině (s fonetickou...
Spona na kravatu ve tvaru brýle je stylovým doplňkem pro očního optika, očaře nebo oftalmology. Spona na kravatu brýle je vyrobena z kvalitní slitiny nerezových kovů a má lesklou povrchovou úpravu. Spona na kravatu brýle jako vtipný dárek pro očního optika. ROZMĚRY:...
ČSN EN ISO 14889This document specifies fundamental requirements for uncut finished spectacle lenses. This document is not applicable to protective spectacle lenses. This document takes precedence over the corresponding requirements of other standards, if differences...
ČSN EN ISO 10685-3
ČSN EN ISO 10938This International Standard applies to displays of optotypes generated by chart projectors and all other visual acuity measurement systems that use recognition of high-contrast optotypes and that are designed for general use, including optotypes printed...
