The commonly available autorefractors are tabletop and pretty demanding in operation. The Nidek ARK innovative handheld portable auto refractometer can be easily taken to the doorstep of a patient for prescribing accurate eyeglasses.
This portable vision testing equipment distinguishes with its portability, easiness in use, high accuracy and multifunctionality. Apart from the instrument itself, the kit includes a charging station, a strong aluminium case.
|Sphere||-18- + 22D (step 0,12 / 0,25D)|
|Cylinder||-8- + 8D (step 0,12 / 0,25D)|
|Axis||0-180º- (step 1º- / 5º-)|
|Pupil min diameter||2,7 mm|
|Measurement time||0,07 sec.|
|Radius of curvature of the cornea (R1, R2, average)||5-10 mm (step 0,01 mm)|
|Diopter power (Rl, R2, average)|
|33.75-67.50D (step 0,12 / 0,25D)|
|-10D- + 10D (step 0,12 / 0,25D)|
|0-180º- (step º- / 5º-)|
|Measurement time||0,017 sec.|
Here we show the operation of Nidek ARK 30: