Retrofitting Manual Slit Lamp for Remote Stereoscopic Control
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Solution Overview
Problem
Current teleophthalmology systems lack real-time control over slit-lamp parameters and fail to provide a true three-dimensional stereoscopic view of a patient's eye, limiting the ability of remote ophthalmologists to conduct comprehensive and accurate eye examinations.
Innovation Solution
A network-controlled ophthalmic device that captures and transmits high-resolution, stereoscopic images of a patient's eye, allowing remote practitioners to dynamically control the slit-lamp biomicroscope, adjust parameters, and view the eye in real-time, enabling detailed examinations similar to in-person procedures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If teleophthalmology systems use standard video imaging, then remote access is enabled, but three-dimensional stereoscopic viewing capability is lost
Solution Approach 1:
The system separates the two imaging functions by using two distinct cameras: a first camera positioned to capture images through the slit lamp for standard teleophthalmology viewing, and a second camera positioned to capture stereoscopic three-dimensional images. This segmentation allows both remote access and 3D viewing capabilities to coexist without compromising either function.
2Measurement precision
If manual slit-lamp biomicroscope is used, then examination detail and clarity are achieved, but real-time remote control capability is lost
Solution Approach 1:
A controller device acts as an intermediary between the remote practitioner and the manual slit-lamp biomicroscope. The controller receives input from the practitioner and transmits control signals to adjust the slit lamp parameters (slit width, angle, intensity) and biomicroscope magnification in real-time, enabling remote operation while preserving the high-quality optical examination capabilities of the manual device.
3Reliability
If in-person examination is performed, then comprehensive diagnostic capability is achieved, but patient transport and practitioner travel requirements increase
Solution Approach 1:
The system creates a virtual copy of the in-person examination experience by capturing high-resolution stereoscopic images and video through the slit lamp, then transmitting them in real-time to remote practitioners. This allows comprehensive diagnostic capability to be replicated remotely without requiring physical presence of either the patient or practitioner at the same location, eliminating transport and travel time while maintaining diagnostic reliability.
4Adaptability or versatility
If multiple practitioners need to view the same eye simultaneously, then consultation and combined diagnosis are enabled, but multiple examinations on the patient become impractical
Solution Approach 1:
The system creates a single high-quality visual copy of the patient's eye that can be simultaneously transmitted to multiple practitioners located at different remote sites. Each practitioner can view and interact with the same real-time image feed through their own control device, enabling consultation and combined diagnosis without requiring multiple physical examinations of the patient, thus maintaining examination efficiency while enabling versatile collaborative care.
Data Source
AI summary
Methods and systems for retrofitting an ophthalmic device to obtain stereoscopic images of an eye of a patient and to transmit the images in real-time to a display device via a network for viewing by practitioners. The ophthalmic device may comprise at least an optic assembly, a processing assembly, a slit assembly, such as a slit lamp, and a positioning assembly. Control devices structured to control the ophthalmic device over the network, such as the world wide web, can be disposed at a plurality of locations, and may be remote from the ophthalmic device while providing real time control of the parameters of the ophthalmic device by the practitioner(s) associated therewith.