NDLI: Effect of surgical microscope and illuminated chopper on anterior chamber temperature

Content Provider	Springer Nature : BioMed Central
Author	Eom, Youngsub Lee, Young Joo Song, Jong Suk Kim, Hyo Myung Nam, Dong Heun
Abstract	Background To evaluate the effect of the light intensity of the surgical microscope and illuminated chopper on the anterior chamber temperature. Study design Experimental study. Methods A model eye (Kitaro WetLab System; FCI Ophthalmics, Pembroke, MA, USA) was used in this experimental study. The illuminance of a surgical microscope (Leica M300; Leica Microsystems, Wetzlar, Germany) and illuminated chopper (iChopper NAM-25 GB; Oculight, Korea) with a light source (iVision; Oculight) was measured using an illuminometer. In addition, the temperature in the anterior chamber of the model eye filled with balanced salt solution when using the surgical microscope with a light intensity from level 1 to level 6 and the illuminated chopper at 99% light intensity was measured for 10 min. Results The anterior chamber temperature was increased by 0.2, 0.5, 1.0, and 1.4 ℃ when using the surgical microscope at level 3 (10050 lux), 4 (16490 lux), 5 (24900 lux), and 6 (32500 lux), respectively, for 10 min. The illuminated chopper at 99% light intensity (14893 lux) positioned in the anterior chamber increased the anterior chamber temperature by 0.2° C after 10 min, which was equal to the increase in the temperature caused by the surgical microscope at level 3. Conclusion The photothermal effect of the illuminated chopper directly positioned in the anterior chamber appeared to be similar to that of a microscope with similar illuminance. Therefore, the illuminated chopper is safe in terms of anterior chamber temperature changes in cataract surgery.
Related Links	https://bmcophthalmol.biomedcentral.com/counter/pdf/10.1186/s12886-023-02784-w.pdf
Ending Page	6
Page Count	6
Starting Page	1
File Format	HTM / HTML
ISSN	14712415
DOI	10.1186/s12886-023-02784-w
Journal	BMC Ophthalmology
Issue Number	1
Volume Number	23
Language	English
Publisher	BioMed Central
Publisher Date	2023-01-23
Access Restriction	Open
Subject Keyword	Ophthalmology Microscope Illuminated chopper Temperature
Content Type	Text
Resource Type	Article
Subject	Ophthalmology
Journal Impact Factor	1.7/2023
5-Year Journal Impact Factor	2/2023

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