Dispensing Optics Ajay Kumar Bhootra
INDEX
A
Abbe number 65
Abbe value 102
Absolute hypermetropia 105
Absorption 6, 151, 152
Accommodation 22, 98
Acetone 74
Adaptation 23, 104
Adjustable strap pads 39
Adnexa 56
Air blower 33, 178
Aluminium 34
“A” measurement 51
Anisometropia 58, 111
Anthropometric 2, 16
Antidust 74
Antifatigue lenses 163
Antireflection coating 66
Antismudge 74
Apex of the prism 143
Approximate power 8
Aspheric curves 3
Aspheric lens 69, 154
Asthenopia 80
Astigmatic error 73
Asymmetric asphericity 62
Atoric 62
Axial length 98
Axis meridian 5, 24
Axis of symmetry 3
B
Back vertex power 9
Balgrip frame 35
Barbs 26
Base curve 61, 175
Base of
bridge 48
prism 143
Bead pan 33
Best form
lens design 60
lenses 154
Bevel placement 102, 177
Billiards spectacle 160
Biometrical data 168
Blue light 3
Blur 143
Blurred vision 80
“B” measurement 51
Boxing system 14
Bridge 15, 37, 48
of the frame 48
width 15
Bubbles 176
C
Carbon fiber 35
Cataract 152
Celluloid
acetate 31, 179
nitrate 30, 179
propionate 31
Chromatic aberration 65
Chromium 34
Clip on 161
Color
distortion 151
fringes 65
sense 1
Computer lenses 66
Concentric rings 101
Conicoid solid 3
Contrast sensitivity 155
Convergence 22, 104
Cool colors 49
Corneal reflex 88
Corridor length 125, 175
Cosmesis 60
Crown glass 68
Crystalline lens 98
Curvature 3, 5, 10
Cut away 59
Cycloplegia 105
Cylinder surface 3
D
Datum
center 13
line 12, 47, 175
system 12
Decentration 102
Degree of asphericity 61
Density 63
Depth of
bridge 48
perception 22
Deviation 5
Diffraction 1
Digital pupillometer 80
Dihedral angle 74
Dispersive power 65
Distance between lenses 14, 45
Distance power circle 126
Dizziness 80
Dominant eye 166
Double vision 88, 143
Dress wear frame 72, 154
Driving lenses 65
Dye 71
E
Edge
polish 102
treatment 100, 176
Effective diameter 24
Electromagnetic spectrum 2, 64
Electroplating 34
Emission 6
End piece 33
Energy 2, 3
Enhanced near vision lens 66, 113, 163
Epoxy resin 32
Ergonomics 138
E-style bifocal 89, 114
Eyecode data 167
Eye rotation center 167
F
Face form wrap 87, 168
Facial anatomy 102
Facial width 21
Field of vision 107
Fitting cross 124
Fitting triangle 45
Fixed form pads 42
Flat and thin lenses 66
Flatter lens 3, 65, 76, 100, 104
Focal length 7
Focal power 7
Focusing capability 110
Form sense 1
Frame
color 49
difference 15
flip up 161
flying 161
front alignment 132
shape 52
size 51
sports 154, 163
supra 26, 51
Free form
process 62
technology 137
Frequency 2, 3
Frontal angle 37, 40, 47
G
Gamma rays 3
Geometrical center 14, 76, 123
Geometrical optics 1
Glare 70, 151
Gradient
color 49
tints 153
H
Habitual reading posture 171
Half eye
frame 35
spectacle 162
Headaches 143
Head-eye movement ratio 168
Height of the bridge 47
Hex nuts 26
High-index lenses 68
Hypermetropia 105
Hyperopes 65
I
Image jump 96, 117, 121
Impact resistance 151
Impression IST 166
Infrared 2, 64, 178
heater 178
Interaction of light 6
Interference 1, 98
Invisible bifocals 95
Ion plating 34
J
Jack-in-the-box 107
Joints 40
K
Keyhole bridge 42
L
Lacquering 35
Laser marking 122
Latent hypermetropia 105
Laws of
reflection 1
refraction 1
Lens
aberration 62, 101
customization 168
design 59
insert 134
lenticular 60, 107
mass 100
material 59
pole of 76
power 51
presbyopic 59
prescription 57
progressive 58
sports 66
steeper 3, 61, 104
thickness 176
trifocal 58, 96, 112
Lifestyle
needs 129
questioning 59
Light
energy 72
pollution 153
scatter 104
scattering 108, 152
sense 1
Line of vision 73
Long lashes 102
Lower lid margin 89
Lugs 40
Luminous transmission factor 69
M
Macular degeneration 152
Magnification 66, 106
Manifest hypermetropia 105
Meridional asphericity 62
Metallic coatings 64
Metallic oxides 71
Minification 66, 102
Mirror coating 71
Monel 33
Monocentric bifocal 96
Monocular pupillary distance 134
Multifocal lenses 89
Myopes 65
Myopia 98
Myopic patients 99
N
Nail polish 178
Nasal flank 39
Nausea 80, 143
Near point world 156
Near power circle 126
Neutralization 176
Neutralize 75
Nickel silver 34
Niobium 34
Nonionizing radiations 56
Numount frame 28
Nylon 26, 35
monofilament 26
threads 178
O
Oblique astigmatism 51, 102
Occupational
lens 66, 164
needs 116
Occupations 59
Ocular
fatigue 151
rotation 128
Off-axis aberrations 60
Opaque matters 6
Optical
axis 5, 7, 10, 72, 73, 76, 88, 101, 116, 134
center 3, 4, 5, 11, 15, 85, 175
displacement 120
function 167
Optician's ruler 83, 165
Optics 60
Optyl 32, 180
Oval face 52
P
Pad arms 39
PAL ID 123
Palladium 34
Palpebral aperture 16
Panoramic angle 72, 131
Pantoscopic
angle 40, 73, 131
tilt 20, 91, 101, 168, 175
Parallax errors 82
Past habits 58
Peripheral
blur 62
curves 75
distortion 62
Permanent markings 122
Photochromatic lenses 65
Pincushion distortion 108
Pinguecula 152
Pliers 178
Polarization 1, 6, 155
Polarized 57
Polaroid lenses 153
Polycarbonate 66, 153
material 66
Polyurethanes 35
Power
error 73
meridian 5, 24, 103
Precious metals 33
Presbyopia 110
Prism 5, 62, 95, 143
effect of 80, 114
error 72
prescribed 52
reference point 124
thinning 138
Progressive addition lens 89, 112
Prongs 26
Pterygium 152
Pulling sensation 22
Pupillary distance 52, 78
Pupillometer 165
R
Radial astigmatism 154
Radiant energy 64
Radiation 158
Radius of curvature 116
Reading
frames 29
stature 111
Reference markings 122
Reflectance 64
Reflection 6, 74
Reflex vision 168
Refracting power 7
Refractive index 63
Retinal image 62
Rhodium 34
Ribbon 181
Rimless frame 47, 182
Ring scotoma 107
Rocking pads 40
Rolled eyewire 180
Rolled gold 33
Rotationally symmetric asphericity 62
Round face 46
Round segment bifocal 89
Roving ring scotoma 107
S
Saddle bridge 38
Safety lenses 153
Sagittal plane 61
Sagittal value 75
Salt pan 178
Scotoma 107
Screws 42
Segment
height 90
inset 90
size 116
Sense of contrast 1, 3
Shatterproof lenses 67
Sign conventions 6
Silicone 42
Solid color 49
Solid tints 153
Spatial orientation 103
Specific gravity 63
Spherical lens form 60
Spherical surface 3, 61, 75, 77
Spherocylinder lens 4
Splay angle 40
Spring 41
Square face 52
Stone 176
Striae 176
Surface
astigmatism 61, 102, 116
corrosion 35
geometry 55, 122
reflections 100
regularity 151
Swimming
effect 137
goggles 162
T
Tangential plane 61
Temples 40
bend 132
tips 42
width 21
Temporary marking 123
Tinted lenses 69
Titanium 34
Toric surface 3
Tortoise shell 30
Total hypermetropia 105
Translucent 6
Transmission 6, 151
Transparent 6
Trauma 56, 151, 158
Triangular face 46
Trivex 154
U
Ultraviolet 2, 64
Umbilical line 124
Univis D bifocal 90
V
V-bevel design 100
Veiling effect 3
Vergence 7
of light 143
Vertex distance 101, 133, 169
Vertical angle 40
Vice 178
Viewing angle 78
Viewing gaze 91
Visible light 64
Vision 22
enhancement 66, 159
Visual
behavior 21
demands 55
fatigue 66
needs 59
perception 1
V-value 64
W
Warmer color 49
Water repellent 74
Wavelength 2, 152, 153, 155
Wave optics 1
Width of the bridge 47
Wrap angle of the frame 73
Wrap sports frames 72
X
X-rays 3
Y
Y-Stick 165
Z
Zeiss's RV terminal 166
Zirconium 34
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Chapter Notes

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