Realistic Eyeball Grid Pupils Dilating Animation

This animated background features a mesmerizing grid of realistic human eyeballs. Each eye's pupil rhythmically dilates and constricts in unison, creating a pulsating, organic visual effect. The dark background enhances the eerie and scientific aesthetic, drawing attention to the intricate details of the irises and pupils. This looping motion graphic can be used as a striking visual for presentations on biology, medical research, optometry, or as a captivating, slightly unsettling backdrop for creative projects, sci-fi themes, or psychological thrillers.