Fig. 1

Photographs of the human model eye and schematic drawing of mode. a. b. The appearance of the model eye used to quantify the images with the Optos® 200Tx and Optos® California widefield scanning ophthalmoscopes. The model eye has an axial length of 24 mm. The body of the model eye is made of metal, and the cornea is made of polymethylmethacrylate. c. Angular scales are attached to the inner posterior surface of the model eye and the images of the angular scales are quantified. d. e. A jig is attached to fix the model eye in the appropriate position