Final answer:
The lighted surgical gonio prism was designed by 3) David AT. This instrument is vital for examining the anterior chamber angle of the eye, aiding in glaucoma diagnosis and management.
Step-by-step explanation:
The lighted surgical gonio prism was designed by David AT (Option 3). The development of this instrument has been a significant advancement in the field of ophthalmology. Gonioscopy is a pivotal procedure used to examine the anterior chamber angle of the eye, which is critical for diagnosing and managing glaucoma. The integration of light into the gonio prism markedly improves the visualization of the angle structures, thus helping ophthalmologists to conduct more precise assessments.