his case study discusses recommendations for bifocals with yoked prisms versus recommending reduced use of digital devices.

Dispensing case study – Prisms are no yoke

A nine-year-old boy who had previously worn single vision distance glasses for the past four years. His parents were aware of his complaining of tired and sore eyes, especially following prolonged use of digital devices. This case study discusses recommendations for bifocals with yoked prisms versus recommending reduced use of digital devices.