| BASE CURVE DIOPTER | 4.00 MINUS NOMINAL |
| CROSS-SECTIONAL SHAPE STYLE | SPHEROCYLINDER COMPOUND |
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY DIMENSIONS |
| DIAMETER | 57.0 MILLIMETERS MINIMUM AND 65.0 MILLIMETERS MAXIMUM |
| HEIGHT | 54.0 MILLIMETERS MINIMUM AND 60.0 MILLIMETERS MAXIMUM |
| LIGHT TRANSMISSION | UNTINTED |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | LENS OPHTHALMIC COMPOUND MINUS 4.00 WITH PLUS 1.75 |
| MATERIAL | GLASS SINGLE VISION |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 4 STYLE AND F CLASS |
| WIDTH | 54.0 MILLIMETERS MINIMUM AND 60.0 MILLIMETERS MAXIMUM |
| STYLE DESIGNATOR | ROUND-RECTANGULAR WITH ROUNDED CORNERS |
| SUPPLEMENTARY FEATURES | UNCUT |