Robert D Johnson

Title: Innovations by Robert D Johnson in Ophthalmic Technology

Introduction

Robert D Johnson is a notable inventor based in Bellevue, WA (US), recognized for his contributions to ophthalmic technology. With a total of two patents to his name, Johnson has made significant advancements in the field of eye care.

Latest Patents

One of Johnson's latest patents is the Extra Wide Field Ophthalmic Lens. This innovative contact-type ophthalmic lens is designed for use in diagnosis and laser surgery. It features a contact lens, an entry lens, and an intermediate lens, all aligned along their optical axes. The anterior surface of the contact lens has an aspheric surface with high power, while the intermediate lens is a meniscus lens with a concave posterior surface and a convex anterior surface. The entry lens has both surfaces convex and aspheric. This unique combination of lenses provides a very wide field of view, allowing regions of the eye anterior to the equator to be readily viewed in an aerial image focused in a plane anterior to the lens system.

Another significant patent by Johnson is the Adjustable Indirect Ophthalmoscopy Lens. This lens comprises two or more elements that are movable by the physician relative to each other. This feature allows for varying magnification in the aerial image of the fundus, enhancing the diagnostic capabilities of ophthalmologists.

Career Highlights

Johnson's career has been marked by his dedication to improving ophthalmic devices. His work at Ocular Instruments, Inc. has positioned him as a key player in the development of advanced eye care technologies. His innovative designs have not only improved diagnostic procedures but have also contributed to the effectiveness of laser surgeries.

Collaborations

Throughout his career, Johnson has collaborated with esteemed colleagues such as Janet L Crossman and Martin A Mainster. These partnerships have fostered a creative environment that has led to groundbreaking advancements in ophthalmic technology.

Conclusion

Robert D Johnson's contributions to ophthalmic technology through his innovative patents have significantly impacted the field of eye care. His work continues to inspire advancements that enhance diagnostic and surgical procedures for better patient outcomes.