Magnification Device Filtering System for Eye Protection
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Solution Overview
Problem
The use of optical magnification devices in the presence of radiation-emitting sources, such as LEDs, poses a risk of eye damage due to intense and collimated UV, visible, and near-infrared radiation, which is exacerbated by the concentration of light through magnification, necessitating effective eye protection.
Innovation Solution
A magnification device with a housing containing an optical system and a filtering system comprising a first filter configuration at the distal end and a second filter configuration at the proximal end, where the filter characteristics are determined based on the magnification level and the characteristics of the first filter system, to block harmful electromagnetic radiation while allowing visible light transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If magnification devices are used to magnify the work area during procedures, then visibility and detail observation are improved, but the power density of light is concentrated which damages the retina
Solution Approach 1:
The patent introduces a filtering system as an intermediary component between the light source and the user's eye. The filter selectively transmits visible light wavelengths while blocking harmful UV and near-infrared wavelengths, allowing the magnification device to provide enhanced visibility without concentrating harmful radiation that could damage the retina
Solution Approach 2:
The patent changes the spectral parameters of the transmitted light by using filters with specific wavelength transmission characteristics. The filtering system modifies the light spectrum to remove harmful wavelength ranges (UV and near-infrared) while preserving visible light, thereby altering the light's properties to be safe for ocular exposure while maintaining magnification benefits
2Object-affected harmful factors
If filters are added to block harmful radiation, then eye protection is improved, but the device complexity increases
Solution Approach 1:
The patent merges the filtering function with the magnification device housing, integrating the protective filters into the existing optical system structure. This combination approach allows eye protection to be provided without requiring separate standalone filtering equipment, thereby limiting the increase in device complexity while achieving the desired protection
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution effectively attenuates harmful radiation, reducing the power density of light exiting the magnification device to safe levels, thereby protecting the user's eyes from damage while maintaining adequate visibility and magnification.
Implementation Method 1
a filtering system comprising a first filter configuration mounted adjacent to the distal end of the housing and a second filter configuration mounted adjacent the proximal end
Implementation Method 2
an optical system including at least one objective lens mounted in the housing adjacent a distal end, and at least one eye lens mounted in the housing adjacent a proximal end, wherein the combination of the objective lens and the eye lens achieves a known level of magnification
Data Source
Figure 1~2
Figure 3A~3B
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AI summary
A method for determining filtering capabilities of a magnification device suitable for providing protection from light when viewed through the magnification device is disclosed. The filtering capability of the magnification device is determined based at least one of an input power of the inputted light signal, a magnification level of the magnification device and an orientation of the filtering within the magnification device. Further disclosed is an lighting system that generates a light, which when reflected into the magnification device is prevent from causing damage to a user's eyes based on the selection of the filtering system disclosed herein.