Adjust inter pupillary distance.
The position of the bubble can be shifted to different parts of the overall scene. Many patients familiar with the bioptic telescope prefer bubble moved to the top of the scene.
Adjust the contrast of the scene. Low vision patients often complain of loss of contrast. We emphasize contrast to compensate for this problem.
Adjust the brightness of the scene. Then everything in the visual world will be held at that brightness level. No more discomfort moving from indoors to a bright sunlit outside.
Change the field of view, currently 70-90 degrees, the widest in the industry.
The bubble can be round, square, or