SWeLZ – a new algorithm for measuring visual field loss

Glaucoma is the leading cause of irreversible blindness globally. Glaucomatous vision loss occurs in the peripheral visual field (areas of vision other than where you are directly looking). A major theme of our laboratory’s work is to design new algorithms to more efficiently measure a person’s visual field sensitivity, which is an important part of detecting and managing the disease.

Our most recent algorithm, SWeLZ, appeared in print earlier this month in TVST (Translational Vision Science and Technology). The algorithm was tested using computer simulations of patient responses. The simulations suggest that SWeLZ can significantly speed up testing times by approximately 25% in people without visual field loss or those with very early visual field loss, while still being able to detect glaucoma.

You can download a copy of the published article here.

Janet in octopus

Janet having her visual field sensitivity measured



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