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ORIGINAL ARTICLE
Year : 2019  |  Volume : 67  |  Issue : 10  |  Page : 1624-1627

Light exposure from microscope versus intracameral illumination during cataract surgery


1 Department of Ophthalmology, Gangneung Asan Medical Center, Gangneung, Korea
2 Department of Ophthalmology, Gachon University Gil Hospital, Incheon, Korea
3 Department of Biomedical Engineering, Gachon University College of Medicine, Incheon, Korea
4 Department of Ophthalmology, Korea University College of Medicine, Seoul, Korea
5 Department of Ophthalmology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Korea
6 Department of Ophthalmology, Soonchunhyang University College of Medicine, Soonchunhyang University Hospital, Korea
7 Department of Ophthalmology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, Korea

Correspondence Address:
Prof. Dong Heun Nam
Department of Ophthalmology, Gachon University Gil Hospital, 21, Namdong-daero 774 Beon-gil, Namdong-gu, Incheon - 21565
Korea
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijo.IJO_316_19

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Purpose: To evaluate light exposure from microscope versus intracameral illuminations to patient's and surgeon's retina during cataract surgery. Methods: Thirty consecutive patients who had cataract surgery using microscope and intracameral illuminations. At the point of the ocular of an operating microscope, optical illuminance and irradiance from the microscope illumination (60, 40, 20% intensity) and the intracameral illumination (60% intensity) were measured using a light meter and a spectrometer at a pause after lens capsule polishing in cataract surgery. Results: Average illuminance (lux) was 1.46, 0.66, 0.27, and 0.1 from 60%, 40%, 20% intensity microscope illuminations and 60% intracameral illumination. Average total spectral irradiance (μW/cm2) was 1.25, 0.65, 0.26, and 0.03 from 60%, 40%, 20% intensity microscope illuminations and 60% intracameral illumination. Conclusion: Microscope ocular illuminance and irradiance during cataract surgery were higher in the microscope illumination than in the intracameral illumination. It suggests that light exposure reaching patient's and surgeon's retina during cataract surgery is lower in the intracameral illumination than in the microscope illumination.


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