Topcon has been granted a patent for an ophthalmic microscope that enables switchable observation of the anterior and posterior ocular segments of the eye. The design includes an observation optical system with adjustable lenses, allowing for OCT measurements without altering the positional relationship between the objective lens and the eye. GlobalData’s report on Topcon gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Topcon, Eye-tracking wearables was a key innovation area identified from patents. Topcon's grant share as of June 2024 was 55%. Grant share is based on the ratio of number of grants to total number of patents.
Ophthalmic microscope for anterior and posterior ocular segment observation
The patent US12029485B2 describes an innovative ophthalmic microscope designed to facilitate both anterior and posterior ocular segment observations of a subject eye. The microscope features an observation optical system with a first focal point positioned in front of the eye, and it incorporates an objective auxiliary lens that can be adjusted or removed based on the observation needs. When the objective auxiliary lens is in place, it focuses on the anterior segment, while the front lens, when set, focuses on the posterior segment. The design allows for seamless switching between these two observation modes without altering the positional relationship between the objective lens and the subject eye. Additionally, the optical system includes a unique configuration where part of the objective lens is cut off to accommodate an OCT (Optical Coherence Tomography) measurement optical system, enabling detailed imaging of both ocular segments.
Furthermore, the patent outlines an OCT function expansion unit that can be integrated into existing ophthalmic microscope systems. This unit includes a replacement objective lens with a similar cut-off design to facilitate OCT measurements. The expansion unit maintains the ability to switch between anterior and posterior observations by adjusting the positioning of the objective auxiliary lens and the front lens. The OCT measurement optical system is equipped with a series of optical components, including reflecting and relaying members, to direct light from an OCT source onto the eye. This comprehensive design enhances the functionality of ophthalmic microscopes, allowing for advanced imaging capabilities while preserving the integrity of the optical path during examinations.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
