BS EN ISO 10942:1998:2001 Edition
$102.76
Ophthalmic instruments. Direct ophthalmoscopes
| Published By | Publication Date | Number of Pages |
| BSI | 2001 | 18 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | BRITISH STANDARD |
| 2 | National foreword |
| 4 | Foreword Endorsement notice Contents |
| 7 | 1 Scope 2 Normative references 3 Definitions ophthalmoscope direct ophthalmoscope viewing lens auxiliary lens ophthalmoscope graticule illuminating system viewing system |
| 8 | field of view field of illumination 4 Classification 5 Requirements 5.1 General 5.2 Optical requirements Table 1 Requirements for optical specifications |
| 9 | Table 2 Requirements for optical accuracy 5.3 Construction and function of the viewing system 5.4 Construction and function of the illumination system 5.5 Optical radiation hazard with direct ophthalmoscopes |
| 11 | 6 Test methods 6.1 Checking the optical and functional requirements 6.2 Checking optical radiation safety for direct ophthalmoscopes |
| 12 | Figure 1 Test configuration for measuring the field of view 7 Accompanying documents 8 Marking |
| 13 | Annex A (normative) Optical radiation hazard Spectral weighting functions for retinal hazard analysis Determination of spectrally weighted source radiance |
| 15 | Annex B (informative) Photometric measures Radiance Example for determination of radiance Figure B.1 Solid angle 7 subtended by a light source |
| 16 | Radiant flux Annex C (informative) Information to be provided on the avoidance of over-exposure to potentially hazardo… |
| 17 | Annex D(normative) Normative references to international publications with their relevant European publi… Annex ZA (informative) A-deviations |
