ANSI STANDARDS Flashcards
Eyewear is divided into these 4 broad categories
Dress Eyewear Z80.1
Safety Eyewear Z87.1
Sunglasses Z80.3
Sports Eyewear ASTM F803-86
Dress Eyewear
designed for everyday us
US is currently the only country with an
an impact-resistance requirement for dress eyewear.
All eyeglass and sunglass lenses MUST be
impact resistant
Z80.1
Recommendations for Prescription Ophthalmic Lenses
Z80.2
Prescription Requirements for First Quality Rigid Contact Lenses
Z80.3
Nonprescription Sunglasses and Fashion Eyewear Requirements
Z80.4
Accessory Solution Use with Contact Lenses made of Conventional Hard Plastic such as Polymethyl Methacrylate
Z80.5
Dress Ophthalmic Frames
Z80.6
Physiochemical Properties of Conventional Hard Plastic Contact Lenses
Z80.7
Ophthalmic - Intraocular Lenses - Optical and Physical Requirements
Z80.8
Ophthalmics - Soft Contact Lenses - Prescription Requirements
Z80.9
Low vision aids
Z87.1
Occupational and Educational Eye and Face Protection
The Prismatic power measured at the Prism reference point (PRP) shall not exceed
0.33 Prism Diopters
PRP shall not be more than
than 1.00 mm away from the specified position in any direction.
Base Curve Tolerance
the Base curve shall be supplied within plus or minus 0.75D
Center Thickness Tolerance
It shall not deviate from the nominal value by more than plus or minus 0.3mm.
The center thickness shall be measured
at the Prism Reference Point (PRP) of the Convex surface
Segment Size Tolerance
(width, depth, and intermediate depth) shall not deviate from the nominal value by more than plus or minus 0.05mm
The difference between the segment dimensions (width, depth, and intermediate depth) in the mounted pair shall not exceed
0.5
The segment tilt for each lens shall be within
plus or minus 2 degrees as measured from the 180
Segment Vertical Location,
Multifocal Lenses: The seg height for each lens shall be within Plus or minus 1.00mm. The difference between the seg height in the mounted pair shall not exceed 1.00mm.
