PROGRAMMABLE GRAPHIC PROJECTION LIGHT SOURCE SYSTEM FOR OPHTHALMOLOGY
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United States of America
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Issued Date -
Feb 20, 2025
app pub date -
Apr 15, 2022
filing date -
Apr 15, 2022
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Abstract
A programmable graphic projection light source system for ophthalmology includes a light source, a flexible screen, a reflective coating, and a light-shielding plate that is located between the light source and a pupil. The light source irradiates light away from the light-shielding plate. The flexible screen is located opposite the light-shieling plate crossing the light source. The reflective coating is located opposite the light source crossing the flexible screen. After the light is reflected by a central, spherical face portion of the reflective coating, a part of the light transferring a pattern from the flexible screen is blocked by the light-shielding plate, and another part of the light irradiates orthographically onto a periphery of the pupil. After the light is reflected by a plane portion of the reflective coating, a part of the light transferring the pattern irradiates obliquely onto the pupil.
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