BS EN ISO 24157:2008+A1:2020
$167.15
Ophthalmic optics and instruments. Reporting aberrations of the human eye
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 40 |
This International Standard specifies standardized methods for reporting aberrations of the human eye.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | National foreword |
| 4 | European foreword Anchor 53 Foreword to amendment A1 |
| 7 | Foreword |
| 9 | 1 Scope 2 Normative references 3 Terms and definitions |
| 13 | 4 Coordinate system |
| 14 | 5 Representation of wavefront data 5.1 Representation of wavefront data with the use of Zernike polynomial function coefficients 5.1.1 Symbols for Zernike polynomial functions 5.1.2 Radial index 5.1.3 Meridional index 5.1.4 Radial parameter 5.1.5 Meridional parameter |
| 15 | 5.1.6 Coefficients 5.1.7 Common names of Zernike polynomial functions |
| 16 | 5.1.8 Comparison of data expressed as Zernike coefficients generated using different aperture sizes 5.1.9 Representation of wavefront error data expressed as Zernike coefficients presented in magnitude/axis form |
| 17 | 5.1.10 Common names of Zernike polynomial functions — magnitude/axis form 5.2 Representation of wavefront data in the form of wavefront gradient fields or wavefront error function values 5.2.1 Gradient values |
| 18 | 5.2.2 Wavefront error values 5.3 Gradient fit error 6 Presentation of data representing the aberrations of the human eye 6.1 General |
| 19 | 6.2 Aberration data presented in the form of normalized Zernike coefficients 6.2.1 Aperture information 6.2.2 Units 6.2.3 Ordering of terms 6.2.4 Form of presentation 6.3 Aberration data presented in the form of normalized Zernike coefficients given in magnitude/axis form 6.3.1 Aperture information |
| 20 | 6.3.2 Units 6.3.3 Ordering of terms 6.3.4 Tabular form of presentation 6.4 Aberration data presented in the form of topographical maps 6.4.1 General 6.4.2 Display contents |
| 21 | 6.4.3 Standardized scales 6.4.4 Colour palette 6.5 Presentation of pooled aberration data 6.5.1 General |
| 22 | 6.5.2 Analysis and presentation of pooled aberration results based on Zernike coefficient sets 6.5.3 Analysis and presentation of pooled aberration data where both right and left eye data are used |
| 23 | Annex A (informative) Methods of generating Zernike coefficients |
| 25 | Annex B (informative) Conversion of Zernike coefficients to account for differing aperture sizes, decentration and coordinate system rotation |
| 33 | Annex C (informative) Conversion between Zernike coefficients represented in different systems of notation |
