| Class 351 | OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING |
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![[List of Pre Grant Publications for class 351 subclass 200]](../as.gif) | ![[List of Patents for class 351 subclass 200]](../ps.gif) | 200 | EYE EXAMINING OR TESTING INSTRUMENT |
| | 201 |  For fusion and space perception testing (e.g., stereoscopic vision) |
| | 203 | Eye exercising or training type |
| | 204 | For interpupillary distance measuring or lens positioning |
| | 205 | Objective type |
| | 206 |  Including eye photography |
| | 207 |  Having spurious reflection blocking |
| | 208 | Having means to detect proper distance or alignment (i.e., eye to instrument) |
| | 209 | Including eye movement detection |
| | 211 | Including projected target image |
| | 213 | Including light filter or absorber |
| | 214 | Including diaphram or slit |
| | 215 | Including light polarizing means |
| | 216 | Including lens selectively insertable in optical path |
| | 219 | With contact lens |
| | 220 | Including reflectors with off-set surfaces |
| | 221 | Including illuminator |
| | 222 | Subjective type |
| | 223 | Self examining type |
| | 224 | Perimeter type |
| | 227 | Including trial frame |
| | 228 | With multifocal lens |
| | 229 | With plural lens carrier |
| | 230 | With individual lens holder |
| | 231 | Removably attachable to eye glass frame |
| | 232 | With light polarzing lens |
| | 233 | Lens or filter selectively insertable in optical path |
| | 237 | Including target image projection |
| | 239 | Including test chart or target |
| | 245 | Support |
| | 246 | Methods of use |
| | 41 | SPECTACLES AND EYEGLASSES |
| | 42 | Lens repair devices |
| | 43 | Floating or underwater type |
| | 44 | With antiglare or shading |
| | 45 | Partially occluding the light-path area |
| | 46 | Perforated opaque plates or shields |
| | 47 | Removable and/or adjustable filters or screens (e.g., clip-on type) |
| | 49 | Polarizing |
| | 50 | With rear-view reflectors |
| | 51 | With decoration or ornamentation |
| | 53 | Shooting type |
| | 54 | Invertible or reversible multifocal type |
| | 55 | With vertical adjustment of multifocal lenses |
| | 56 | Lorgnette type |
| | 57 | With auxiliary lenses movable in and out of the optical path (e.g., clip-on type attachments) |
| | 59 | Lens pivots in and out of optical path |
| | 60 | With lens suspension bar (e.g., torsion bar) |
| | 61 | U-shape or half-moon lens below eye level |
| | 62 | With moisture prevention or absorption |
| | 63 | Folding |
| | 65 | Pince-nez type (including pince-nez bridges, nose grips and nose pads therefor) |
| | 66 | With ear chain or temple |
| | 67 | Plural bridges |
| | 68 | With resilient extensible bridge |
| | 69 | Lens and nose grip movable on flexible bridge |
| | 70 | Posts or studs connecting bridge and nose grip |
| | 71 | With spring biased nose grips |
| | 76 | With adjustable or rockable nose grips or pads |
| | 78 | Nose pads or cushions |
| | 83 | Continuous rim mounting |
| | 84 | With rotating means for multifocal lenses |
| | 85 | Upper rim portion slotted |
| | 86 | With lens retaining or locking means |
| | 87 | Nose guards or pads integral with frame |
| | 88 | Nose guards or pads removable or adjustable |
| | 89 | With brace arm temple support |
| | 90 | Split rim mounting |
| | 91 | With brow pieces or top arms |
| | 93 | With brace arm supports for temple or lens |
| | 94 | With auxiliary bridge |
| | 95 | Expansible and contractible lens rim |
| | 96 | Locking member secures lens against rotation |
| | 97 | Split connected by U-clamps or pivot links |
| | 98 | Split on nasal side of rim (i.e., at bridge) |
| | 99 | Clamp and temple pivot screw spaced along rim clamping arm |
| | 100 | Clamp and temple pivot screw coincident on rim clamping arm |
| | 101 | Metal clamps embrace the rims and connect to bridge and/or temples |
| | 102 | Combined metal and plastic rims |
| | 103 | Brace arm or semi-rimless mounting |
| | 104 | Arm or rim of plastic or of different material (e.g., metal and plastic) |
| | 105 | Detachable brace arm |
| | 106 | Screwless lens mounting |
| | 107 | With adjustable lens or frame part |
| | 108 | Brace arm supports lens at two spaced points or constitutes a partial rim |
| | 109 | Brace arm extends along edge of lens |
| | 110 | Rimless mounting |
| | 111 | Temples |
| | 112 | With pocket clip or clasp |
| | 113 | Spring biased |
| | 114 | Resilient or flexible |
| | 115 | Reversible or axially rotatable |
| | 116 | Detachable |
| | 117 | With covered core or rod (e.g., reinforced) |
| | 118 | Extensible (e.g., with adjustable sleeve member |
| | 119 | Two-part type (e.g., jointed) |
| | 120 | Inclined to lens plane |
| | 121 | With connector |
| | 122 | With skin protecting earpiece covering |
| | 123 | With head or ear engaging attachments |
| | 124 | Bridges |
| | 125 | Crossbar type |
| | 126 | Flexible |
| | 128 | Adjustable |
| | 129 | Reinforced |
| | 130 | With auxiliary support |
| | 131 | With nose grip or guard integral with bridge |
| | 132 | With nose grip, nose guard, pad, or cushion |
| | 133 | With connectors or straps |
| | 136 | Nose pads or cushions |
| | 140 | Connectors |
| | 141 | With screw locking means |
| | 142 | Strap type |
| | 143 | With particular bracing bar or stud |
| | 144 | With cementing or fusing |
| | 145 | With cushion around lens screw or bolt |
| | 147 | With serrated interengaging parts |
| | 148 | Adjusting |
| | 149 | With interengaging projection and recess |
| | 150 | With resilient parts (e.g., resilient strap arms) |
| | 152 | With clamping arms |
| | 153 | With particular hinge |
| | 154 | Lens linings or rims |
| | 155 | With support or holder (e.g., on hat or cap) |
| | 158 | Combined |
| | 159.01 | Ophthalmic lenses |
| | 159.02 | Eye contact |
| | 159.03 | Electro-active |
| | 159.04 | With fluid exchange means |
| | 159.05 | Multifocal |
| | 159.06 |  Progressive |
| | 159.07 | Astigmatic correction |
| | 159.08 | Lens pairs having differing profile |
| | 159.09 | Ghost image or blur reduction |
| | 159.1 | Specific viewing zones |
| | 159.15 | Having a diffractive portion |
| | 159.16 | With off-axis viewing zone |
| | 159.17 | Prismatic |
| | 159.18 | Having means to regulate pressure |
| | 159.19 | Having a means to limit or facilitate movement |
| | 159.2 | Aspherical |
| | 159.22 | Astigmatic correction |
| | 159.23 | Orthokeratology contact lens |
| | 159.24 | Colored |
| | 159.25 | Digitally encoded |
| | 159.26 | Having a diffractive portion |
| | 159.27 | With polarization |
| | 159.28 | With indicia |
| | 159.29 | Protective color |
| | 159.3 | Multiple colors |
| | 159.31 | Graded density distribution |
| | 159.32 | Particular color |
| | 159.33 | Hydrophilic |
| | 159.34 | Fluid lens |
| | 159.35 | Having a diffractive portion |
| | 159.36 | Having a means to limit or facilitate movement |
| | 159.37 | Aspherical |
| | 159.39 | Electro-active |
| | 159.41 | Multifocal |
| | 159.42 | Progressive |
| | 159.43 | Three or more foci |
| | 159.44 | Having a diffractive portion |
| | 159.45 | With prismatic segment |
| | 159.46 | Astigmatic correction |
| | 159.47 | Aspherical |
| | 159.48 | Multiple elements |
| | 159.49 | With light filtering means |
| | 159.5 | Image size (anisekonia) correction |
| | 159.51 | Lens for aphakic eye |
| | 159.52 | Focus or astigmatism correction |
| | 159.55 | Ghosting |
| | 159.56 | With polarization |
| | 159.57 | With lens protective layer |
| | 159.58 | Prismatic |
| | 159.6 | With light filtering means |
| | 159.61 | Photochromatic |
| | 159.62 | Laminated structure |
| | 159.63 | With different light absorption sections |
| | 159.65 | Specific light filtering range |
| | 159.66 | Having color |
| | 159.67 | With beveled, polished, or reinforced edges |
| | 159.68 | Fluid lens |
| | 159.69 | With indicia or marking |
| | 159.7 | Multiple elements |
| | 159.71 | Aspherical |
| | 159.73 | Methods |
| | 178 | Methods (e.g., securing lenses in mountings) |
| FOREIGN ART COLLECTIONS | ||
| FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
| Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collections listed below. These Collections contain ONLY foreign patents or non-patent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived. | ||
| SPECTACLES AND EYEGLASSES (351/41) |
| FOR100 | Ophthalmic lenses or blanks (351/159) |
| FOR101 | Eye contact type (351/160R) |
| FOR105 | With light filtering means (351/163) |
| FOR108 | With lens protective layers (351/166) |
| FOR109 | Cataract correction type (351/167) |
| FOR110 | Multifocal (351/168) |
| FOR111 | Gradually varying focal power (351/169) |
| FOR112 | With prismatic segment (351/170) |
| FOR113 | Three or more foci (351/171) |
| FOR114 | Multiple elements (351/172) |
| FOR115 | Image size (aniseikonia) correction (351/173) |
| FOR116 | With beveled, polished or reinforced edges (351/174) |
| FOR117 | Prismatic type (351/175) |
| FOR118 | Focus and/or astigmatism correction (351/176) |
| FOR119 | Methods (351/177) |