Henderson Degree gauge
Degree gauge, beveled, with 4 notches to adjust at the alignment marks
Active filters
Degree gauge, beveled, with 4 notches to adjust at the alignment marks
Alignment marker, to mark the patient at the slit lamp
Corneal marker, to mark the axis
Measuring Ring
Bonn model, with tying platform 1 x 2 teeth, 0.12 mm