Michael Brelo Trial Day 14 Part 4 04/27/15

TL;DR

Expert witness discusses vision impairment factors in police shooting case.

Transcript

and thank you afternoon after I just let talk about your background briefly you said that you are optometrists yes and you have degrees in psychology is that correct my I am a bachelor of the tree was in psychology the emphasis and physiological and perceptual psychology and I studied one year as a graduate student in master's program that will nee... Read More

Key Insights

• 🖐️ Visual impairments due to lighting conditions play a significant role in assessing an officer's ability to perceive threats accurately.
• 👮 The witness relies on a standard observer model with 20/20 vision to establish a baseline for visual analysis in police shooting cases.
• ✋ Tunnel vision and other psychological impacts can further complicate an officer's perception during high-stress situations.

Questions & Answers

Q: How does the witness define veiling glare and its impact on vision?

The witness explains veiling glare as the overwhelming of the optic nerve by bright light, affecting color perception and depth of visual field.

Q: How does the witness assess visual impairment in relation to stroboscopic effects from police lights?

The witness describes how stroboscopic effects can lead to motion perception illusions, impacting judgment and perception of movement.

Q: Is the witness's analysis of vision impairment based solely on what the subject reports?

Yes, the witness assumes the subject is truthful unless proven otherwise, emphasizing the complex nature of visual perception under stress.

Q: How does the witness differentiate between viable threat targeting and visual impairments in police shooting scenarios?

The witness acknowledges the challenging balance between assessing threat level and addressing obstacles caused by visual impairments such as flashing lights and shattered windshields.

Summary & Key Takeaways

• Expert witness, with background in optometry and psychology, testifies about visual impairments impacting police officer's ability during a shooting incident.

• Questions focus on the visual and psychological effects of lighting, glare, and tunnel vision in high-stress situations.

• Defense counsel questions the witness's understanding of variances in vision impairment and perception in relation to standard observers and stressful environments.