Acknowledgments |
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viii | |
Sign convention and symbols |
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ix | |
Introduction |
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xi | |
Section 1: Basic optical structure of the human eye |
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The human eye: an overview |
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3 | (8) |
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3 | (1) |
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Optical structure and image formation |
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4 | (1) |
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5 | (2) |
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7 | (1) |
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The equivalent power and focal lengths |
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7 | (1) |
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8 | (1) |
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8 | (1) |
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8 | (1) |
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Binocular vision and binocular overlap |
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8 | (1) |
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9 | (2) |
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Refracting components: cornea and lens |
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11 | (10) |
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11 | (1) |
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11 | (5) |
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16 | (2) |
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18 | (3) |
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21 | (9) |
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21 | (1) |
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21 | (2) |
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23 | (1) |
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23 | (2) |
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Shape of the obliquely viewed pupil |
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25 | (2) |
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Significance of the pupil size |
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27 | (1) |
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Measurement of pupil size (pupillometry) |
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28 | (1) |
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28 | (2) |
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30 | (9) |
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30 | (1) |
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Definitions and significance |
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30 | (4) |
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34 | (1) |
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34 | (5) |
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39 | (12) |
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39 | (1) |
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Development of paraxial schematic eyes |
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40 | (1) |
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Gaussian properties and cardinal points |
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41 | (3) |
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44 | (1) |
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Simplified schematic eyes |
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44 | (1) |
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45 | (1) |
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Variable accommodating eyes |
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45 | (6) |
Section 2: Image formation and refraction |
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Image formation: the focused paraxial image |
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51 | (6) |
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51 | (1) |
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51 | (3) |
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54 | (1) |
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54 | (3) |
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57 | (10) |
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57 | (1) |
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Spherical refractive anomalies |
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58 | (2) |
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Astigmatic refractive errors |
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60 | (1) |
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61 | (1) |
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Distribution of refractive errors and ocular components |
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61 | (1) |
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The power of the correctin lens |
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62 | (2) |
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Effect of parameter changes on refractive errors |
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64 | (3) |
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Measuring refractive errors |
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67 | (12) |
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67 | (1) |
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Subjective-only refraction techniques |
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67 | (4) |
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Subjective/objective refraction techniques |
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71 | (2) |
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Objective-only refraction techniques |
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73 | (2) |
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Factors affecting refraction |
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75 | (4) |
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Image formation: the defocused paraxial image |
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79 | (9) |
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79 | (1) |
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80 | (2) |
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Size of the defocus blur disc |
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82 | (3) |
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85 | (3) |
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Some optical effects of ophthalmic lenses |
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88 | (11) |
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88 | (1) |
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88 | (2) |
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Pupil position and magnification |
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90 | (1) |
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Relative spectacle magnification |
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91 | (1) |
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Effects on far and near points and accommodation demand |
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92 | (1) |
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Rotational magnification, field-of-view and field-of-vision |
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93 | (6) |
Section 3: Light and the eye |
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Light and the eye: introduction |
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99 | (6) |
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99 | (1) |
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Radiation and the electromagnetic spectrum |
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99 | (1) |
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100 | (1) |
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Photometric quantities, units and example levels |
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101 | (2) |
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Some useful relationships |
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103 | (1) |
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103 | (2) |
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Passage of light into the eye |
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105 | (12) |
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105 | (1) |
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105 | (2) |
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107 | (4) |
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111 | (2) |
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113 | (1) |
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114 | (3) |
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Light level at the retina |
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117 | (12) |
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117 | (1) |
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Retinal illuminance: directly transmitted light |
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117 | (3) |
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Retinal illuminance: scattered light |
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120 | (2) |
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122 | (1) |
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123 | (1) |
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The Stiles--Crawford effect |
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124 | (5) |
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Light interaction with the fundus |
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129 | (8) |
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129 | (1) |
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130 | (1) |
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131 | (1) |
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132 | (5) |
Section 4: Aberrations and retinal image quality |
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Monochromatic aberrations |
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137 | (23) |
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137 | (1) |
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Methods of measuring monochromatic aberrations |
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138 | (5) |
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Types and magnitudes of monochromatic aberrations |
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143 | (8) |
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Significance of monochromatic aberrations |
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151 | (3) |
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Ocular component contributions |
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154 | (1) |
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155 | (1) |
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Aberrations of opthalmic devices |
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155 | (5) |
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Monochromatic aberrations of schematic eyes |
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160 | (20) |
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160 | (1) |
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Aberrations of paraxial schematic eyes |
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161 | (5) |
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166 | (2) |
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Modelling the lenticular refractive index distribution |
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168 | (3) |
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171 | (1) |
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Survey of finite eye models |
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171 | (2) |
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Performance of finite eye models |
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173 | (7) |
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180 | (14) |
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180 | (1) |
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Longitudinal chromatic aberration |
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180 | (1) |
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Transverse chromatic aberration |
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181 | (2) |
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Measurement of longitudinal chromatic aberration |
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183 | (2) |
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Measurement of transverse chromatic aberration |
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185 | (1) |
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Effects of chromatic aberrations on vision |
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186 | (2) |
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Aberration compensation and correction |
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188 | (1) |
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Modelling chromatic aberrations |
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189 | (5) |
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194 | (19) |
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194 | (1) |
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The point and line spread functions |
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195 | (3) |
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The optical transfer function |
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198 | (4) |
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202 | (11) |
Section 5: Miscellaneous |
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213 | (8) |
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213 | (1) |
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214 | (3) |
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217 | (4) |
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221 | (42) |
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221 | (1) |
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221 | (1) |
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222 | (1) |
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Refractive errors and axial length |
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223 | (1) |
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Accommodation and presbyopia |
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223 | (4) |
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227 | (1) |
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Aberrations and retinal image quality |
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227 | (1) |
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228 | (1) |
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229 | (8) |
Appendices |
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237 | (5) |
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237 | (1) |
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The paraxial approximations and paraxial rays |
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238 | (1) |
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A paraxial ray-tracing scheme |
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239 | (1) |
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240 | (1) |
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Cardinal points and equivalent power |
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240 | (1) |
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240 | (1) |
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241 | (1) |
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A2 Introduction to aberration theory |
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242 | (8) |
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Quantification of aberrations |
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242 | (1) |
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The wave aberration function |
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243 | (2) |
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245 | (5) |
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250 | (9) |
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250 | (1) |
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250 | (4) |
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254 | (5) |
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A4 Calculation of PSF and OTF from aberration of an optical system |
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259 | (4) |
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The point spread function (PSF) |
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259 | (2) |
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The optical transfer function (OTF) |
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261 | (2) |
Index |
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263 | |