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Adjustable Fixation Target and Simplified Procedure for Removing Mold

Julian F. Chisholm, Jr., M.D.

Arch Ophthal. 1940;24(3):552-553.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

One of the greatest difficulties in satisfactory molding of contact glasses has been in securing adequate fixation. Obrig¹ has suggested that the patient's own glass be held over the other eye when the vision is impaired. This helps in fixation. However, when the vision is considerably reduced or the patient is amblyopic in one eye, it is of no real value.

To overcome this, an adjustable arm for a marker was devised, as shown in the accompanying illustration. The base of a student's lamp was used. A pipe about 5 feet (152 cm.) long was threaded to fit it. Holes were drilled through the pipe approximately every 6 inches (15 cm.). Into these fits a small rod about 12 inches (30 cm.) long, which carries a card. The carrier can be adjusted in and out by sliding it through the hole. A heavy black circle containing a large black . . . [Full Text PDF of this Article]

Author Affiliations
Boston

From the Harvard Medical School and the Massachusetts Eye and Ear Infirmary.

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