ASF Digital Pd Ruler

The ASF Digital Pd Ruler, model ASF-PM34, is a precision optical instrument designed for accurately measuring pupillary distance in ophthalmic applications. This digital device is essential for professionals involved in optometry and the fitting of visual aids.

The ASF-PM34 Digital Pd Ruler provides a PD measuring range of 44 to 80 mm, with the capability to measure left or right pupil distance from 22.5 to 41 mm. Its design ensures precise readings for various clinical needs.

Clinically, this digital PD meter is utilized for accurately determining pupillary distance, which is crucial for the proper fitting of spectacles, contact lenses, and other ophthalmic devices. It serves as a valuable tool for optometrists, ophthalmologists, and opticians to ensure optimal patient vision correction.

Key Features : 

Measures pupillary distance within a range of 44 to 80 mm.
Capable of measuring individual left or right pupil distance from 22.5 to 41 mm.
Supports accurate fitting of spectacles, contact lenses, and other ophthalmic devices.
Features an indication error, rounding error, and asymmetry error of 0.5 mm for precise measurements.