The MP-3 measures local retinal sensitivity for functional assessment of the retina. The results can be displayed over a color fundus image, correlating retinal anatomy to retinal function.
Auto tracking and auto alignment functions provide more accurate measurements increasing patient and operator comfort and efficiency. These functions allow easy follow-up and reduce variations between examiners, resulting in well-aligned follow up exams.
The visual rehabilitation mode trains low-vision patients who have lost foveal fixation to relocate their preferred retinal locus (PRL) to a different region, called the trained retinal locus (TRL). The TRL is predetermined by a physician, and fixation rehabilitation allows the patient better functional vision (i.e. reading speed) due to increased fixation stability and visual outcomes.
Active flickering pattern stimulation and cheery music create an effective and pleasant training experience for the patient.
Image courtesy of the National Centre of Services and Research for the Prevention of Blindness and Rehabilitation of Visually Impaired – IAPB Italia Onlus, Rome – Italy
Pre- and Post-Treatment Comparison
Case of anti-VEGF treatment for age-related macular degeneration (AMD)
Pre-Treatment
Circle at 2° Percentage of Fixation Points 66.1%
Circle at 4° Percentage of Fixation Points 92.1%
Mean Sensitivity: 20.4
Post-Treatment
Circle at 2° Percentage of Fixation Points 68.1%
Circle at 4° Percentage of Fixation Points 95.5%
Mean Sensitivity: 20.9
Fixation test with precise tracking system is available in addition to microperimetry test and fundus photography.
Visual sensitivity maps in gray scale are also available for an intuitive assessment.
The MP-3 can measure fixation and determine the preferred retinal locus, simply by having the patient fixate on a target. Any change in fixation can be compared pre- and post-treatment because the patient’s eye is constantly tracked during microperimetry. This test allows evaluation of fixation in patients with central visual field defects and determines whether fixation improved after treatment.
Visual sensitivity maps can be displayed in gray scale, similar to conventional visual field reports. This display allows fo ran intuitive assessment of retinal sensitivity
Factory-Installed Option
Scotopic microperimetry is used to assess the changes in rod sensitivity of degenerative retinal diseases including age-related macular degeneration and some forms of retinitis pigmentosa. The type S provides scotopic microperimetry in addition to the standard functions of the MP-3.
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