| DIAMETER | 54.0 MILLIMETERS MINIMUM AND 65.0 MILLIMETERS MAXIMUM |
| HEIGHT | 52.0 MILLIMETERS MINIMUM AND 60.0 MILLIMETERS MAXIMUM |
| LIGHT TRANSMISSION | UNTINTED |
| MATERIAL | GLASS SINGLE VISION |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 3 STYLE AND F CLASS |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | LENS OPHTHALMIC COMPOUND PLUS 2.50 WITH PLUS 2.25 |
| WIDTH | 52.0 MILLIMETERS MINIMUM AND 60.0 MILLIMETERS MAXIMUM |
| SPHERE CURVE OUTSIDE DIOPTER | 2.50 PLUS MAXIMUM |
| STYLE DESIGNATOR | ROUND-RECTANGULAR WITH ROUNDED CORNERS |
| SUPPLEMENTARY FEATURES | UNCUT |
| THICKNESS | 2.0 MILLIMETERS NOMINAL |
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY MAXIMUM DIAMETER |
| CYLINDER CURVE OUTSIDE DIOPTER | 2.25 PLUS MAXIMUM |
| CROSS-SECTIONAL SHAPE STYLE | SPHEROCYLINDER COMPOUND |