IMITATIVE EYE ARGO AIE001 retinoscopy practice eye, aiming to through the telescopic tube and allocate units of different lens in its front curved slot to simulate a variety of refractive human eye .
The optometrists use it to teach and the students use it to practice together with the instrument of optometry lens and ophthalmoscope
The calibation of the practice eye (from +4 ........... -5 units as D) only shows the diopter of the instrument itself (or the diopter of the practice eye when the tube is flexed to a position ), the user must make sure a suitable and accurate distance between the ophthalmoscope and the practice eye when using this instrument.
When the distance is 1 meter , one +1.00D optical lens should be put in the arc-shaped slot (If the distance is 0.5M ,then the optical lens is +2.00D), so the diopter of the practice eye is matched with the marked degree.
That is: When the distance is 1 m, it reaches the "point" (light and shadow is the same), the diopter of the increased refraction lens minus +1.00D is the practice's actual diopter, (if the distance is 0.5M ,then minus +2.00 D,).