Matrix a trendsetter, in quality ophthalmic equipment manufacturing has been well known worldwide for their unique optical products since decades. The Manual and Automatic PHOROPTERS (lunched since 2005) of Matrix are well accepted by leading ophthalmologists and optometrists all over the globe. The manual phoropter is economical, easy to handle and almost maintenance free with no compromise in quality and accuracy.

Technical Specifications:-

Measuring Range:

Sphere                      : +16.75D~ -19.00D and +26.75D~ -29D (with optional auxiliary lenses +10D and –10D)

Steps of 0.25 D (step of 0.12D with auxiliary lens +0.12D)

Cylinder                   : 0~ -6D and 0~ -8D (With auxiliary cylinder lens –2D)

Steps of 0.25D (step of 0.12D when applied with auxiliary cylinder lens +0.12D)

Cylinder Axis          :0~180° (steps of 5°)

Cross Cylinder        : ± 0.25D

Rotary Prism           : 0 ~ 20 Δ (step of 1 Δ)

Auxiliary Lens Dial: O- Open aperture (two positions), R-Retinoscopic lens +1.5D,

P-polarizing lens (45° left Eye & 135° Right eye)

WMV/RMV            : Madox Rod, Vertical (White-Left Eye / red-Right Eye)

WMH/RMH           : Madox Rod, Horizontal (White-Left Eye / red-Right Eye)

RL-Red Lens, PH-Pin Hole, OC-Occluder

P.D. Adjustment   : 50 ~75mm (in step of 1mm)

Convergence Adjustment: ∞, 380mm (when P.D. 64mm)

Forehead rest adjustment: 16mm

Vertex Distance: 13.75mm

Dimensions: 338(L)x 99 (W)x 292 (H) mm

Weight: 5Kg. Approx

Finish: Cream white or Black color

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http://www.mediscience.co.in/wp-content/uploads/2018/02/Matrix-PHOROPTER-MST-2000-1.pdf