2. Mounting Handle : used to install the instrument onto eye-optometry table

3. Clamping Screw : used to fix near-point rod

4. Leveling Adjusting Knob: used to adjust level position of the instrument

5. Near Point Rod Holder: used to attach near-point testing mark rod to hanger frame

6. Pupil Distance Knob : used to adjust pupil distance

7. Pupil Distance Scale: used to display pupil distance

8. Vergence : used to adjust corner of device’s left and right disks

9. Forehead Rest Knob : used to adjust patient’s forehead position

10. Corneal Aligning Aperture : used to display position of patient’s cornea vertex

11. Prism Rotation Knob : used to adjust prism power

12. Rotary Prism : used to test phoria or binocular balance

13. Examination Aperture for test, with various lenses set here.

14. Cylindrical Lens Axis Scale : used to indicate cylindrical lens axis angle

15. Face shield chip : fix face shield

16. Fixing Hand-wheel : used to fix instrument to ophthalmic stand

17. Tightening Screw : used to fix instrument to ophthalmic stand, and stored in accessory box

18. Spirit Level : used to indicate level direction

19. Rotation Knob : used to adjust astigmatic axis of cross cylindrical lens

20. Cross Cylindrical Lens : used to precisely check astigmatic power and axis

21. Auxiliary Lens Knob : used for various visual acuity tests

22. Strong Spherical Power Knob : used to adjust big spherical lens power, step:3.00D

23. Weak Spherical Power Dial : used to adjust small spherical lens power, step:0.25D

24. Spherical Power Scale : used to display spherical lens power

25. Cylindrical Power Scale : used to display cylindrical lens power 10

26. Cylindrical Lens Axis Knob : used to adjust cylindrical lens axis

27. Cylindrical Lens Knob : used to set cylindrical lens to examination aperture

28. Cylindrical Lens Axis Scale : used to display angle of cylindrical lens axis

29. Forehead Rest : Patient’s forehead rests here.

30. Instruction Manual

31. Near Point Rod : Card holder is attached to position of near point measuring on this rod.

32. Near Point Card : Including near point sight mark

33. Card Holder : used to attach near point card

34. Dust Cover : Use dust cover to cover instrument when it is not in use to protect it from dust.

35. Accessories Box : used to store the standard accessories

36. Face shield :Left and right face shield's, one each, are installed on position where instrument and patient’s nose contact.

37. Balloon with Brush : used to clean lens

38. Additional Lens : used to change testing range and precision