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Optomotry hd software

Manufactured by Cerebral Mechanics
Sourced in Canada

OptoMotry HD is a software package designed for use with the OptoMotry system. It provides high-definition visual stimuli and data recording capabilities for conducting visual function tests on small animals.

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Lab products found in correlation

2 protocols using optomotry hd software

1

Assessing Visual Acuity in Mice

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A trained observer-operator, masked to treatment condition, assessed visual acuity by observing reflexive head tracking movements (optomotor response) using a virtual optomotor system (OptoMotry; Cerebral Mechanics, Canada) with custom software (OptoMotry HD software version 2.0.0[4907]). The mice were placed on a platform inside a four-walled chamber made of computer monitors displaying gratings ranging from 0.2 to 0.5 cycles per degrees rotating at 12.0 degrees/s shown under photopic conditions at 100% contrast. Visual acuity was defined as the highest grating frequency at which optomotor response could be reliably detected.
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2

Optical Assessment of Mouse Visual Acuity

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A trained observer-operator recorded the visual acuity of the mice as determined by observing their reflexive head tracking movements (optomotor response) while masked to the cohorts of the mice under examination. This was conducted using a virtual optomotor system (OptoMotry; Cerebral Mechanics, Inc., Lethbridge, Canada) using their custom software (OptoMotry HD software version 2.0.0(4907). The mice were placed on a platform inside a four walled chamber made of computer monitors with screens displaying vertical alternating black and white stripes (gratings), shown under photopic conditions at 100% contrast and with thicknesses (spatial frequencies) ranging from 0.2 to 0.5 cycles per degrees rotating at 12.0 d/s. In mice, optomotor behavioral assays measure the rotation of the head in response to the rotation of these gratings.
Head rotation is driven by oculomotor reflex, which keeps moving images stable on the retina.
The thickness of the gratings corresponds to spatial frequencies (cycles per degree). For example, thin gratings test high spatial frequencies and thick gratings test low spatial frequencies. The highest spatial frequency at which a head rotation could be reliably detected was recorded as the visual acuity of the mouse.
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