A prospective follow up study.

• Inclusion criteria:

  Participants above 18 years of age and willing to participate.

  Visual field defects resulting from lesion of visual pathway beginning at retina to the occipital cortex.

   

  Exclusion criteria:

  Ocular pathology – either a primary ocular disease or secondary to any systemic disease like Diabetes / Hypertension,etc.

• Method:

• Patients presenting with visual field defects are assessed with automated perimetry and optical Coherence Tomography, prior and post 3 months of therapy.

   

• An image (face) unveils itself in a sectoral fashion by both clockwise and anticlockwise direction corresponding to the visual field defect in patient.

   

• The video is calibrated to 3 different speeds of 30, 60 and 120 seconds with an enhancing colour contrast background of either Red, Green or Blue as the video progresses.

   

• Patient is instructed to focus at the centre of the video as the image unveils. The visual task is to be performed 1 hour a day for 3 months.

   

• Assessment of Visual field Index was used to measure the outcome of therapy.

A total of 25 patients with visual field defect were enrolled to the study.  

• Totally 14 male and 11 female participants, median age being 43 years.
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• On an average, the visual field index improved by an 8%.

Our study was found to be beneficial in the management of visual field defects.