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The preliminary development of a robotic laser system used for ophthalmic surgery
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Dissertation
The preliminary development of a robotic laser system used for ophthalmic surgery
1987
Overview
This dissertation describes the experimental analysis and design of a second generation robotic laser system used for ophthalmic surgery. The goal of our research project is to develop an automated laser delivery and retinal observation system that is capable of placing multiple lesions of predetermined sizes into known locations in the retina. The purpose of my work is to show that from an economic, scientific, and engineering standpoint, my proposed design for this new system is feasible. The first generation laser system is the slit lamp microscope with a laser delivery system, where the laser is controlled by the manual dexterity of the ophthalmologist. This new system is designed to augment the ophthalmologist, making him/her more efficient with less training. We intend to rid the surgical process of unnecessary gadgetry while improving accuracy, speed, and safety. This task can be divided into three areas. The first is to completely develop an automated retinal observation system, which will allow the computer to observe all areas of the retina automatically. The second part of the task is to design a computer controlled pointing and tracking system for the laser, which will keep the laser positioned onto one spot on the retina during small movements of the eye. The third portion is to design and test a reflectance measuring system that monitors and controls the size of the lesion. All three parts must be integrated into one cohesive, economical system. The work presented in this dissertation sets the groundwork for the project. A design is presented and justified. The areas of the design that are questionable from an engineering standpoint are investigated and analyzed. These areas include the tracking of the retina, placement of the lesions for diabetic retinopathy, and real-time monitoring of the lesion growth. Integrating the many ideas into a cohesive design and analyzing the feasibility of this design form the basis of this dissertation.
Publisher
ProQuest Dissertations & Theses
Subject
ISBN
9798207298245
