Features:
• Comfortable hand touch, bigger and brighter than the old ones in apperance.
• Lenses are made of optical glasses instead of resin material, making the lens degrees more accurate and precise.
• Color:ivory tint.
• The leather case with Zipper makes it easier to carry and k..
Each Retinoscopy Rack Set contains four "racks," two plus and two minus sphere.
Increments on the rack one are .50, 1.00, 1.50. 2.00, 2.50. 3.00.
Increments on rack two are 4.00, 5.00, 6.00, 7.00, 8.00, 10.00, 12.00.
Wooden Carrying Case Makes More Professional
List:
+/- 0.50..
This set of 6 paddles provides larger aperture optics but covers the full range of smaller sets. Each lens is 15/16 inch (24 mm) and includes 0.50, 1.00,1.50, 2.00, 2.50, 3.00, 3.50, 4.00, 4.50, 5.00, 6.00, 7.00, 8.00, 9.00, 10.00 in both plus and minus spherical lenses. Each of the 6 pad..
Featured:
1. 2 AA Batteries Drive
2. Slider PD meter
3. Cornea reflction light coidence method
Specifications:
Method of measurement:
Rang of measurement:44 to 83mm (both eyes),
..
Specification
1. Operates by aligning luminous points on the pupils with the measuring line.
2. Results are displayed digitally.
3. Measurements are given: Right, Right + Left, Left.
4. Results are accurate to within 0.25mm.
5. Automatically switches OFF one minute after operation is compl..
Features:
1. Direct point-sampling and high accuracy of orientation, with mechanical hairspring being used to level at the reflecting point of human cornea.
2. It adopts linear sensors of high precision, highly intellectualized electronic system and digital display of measurement results which i..
Specification
The PD Meter is a digital precision optical instrument used to measure distance
between human pupils in the process of optometry for fitting spectacles.
1, It employs precise optical structure, the line of light is very clear and
precise measurement.The measuremen..