EcologicalEcological cataract surgerycataract surgery
T. Okabe; S. Kobayakawa; T. Tochikubo
We all are no financial interest.
We waste a lot of medical supplies, also too much electricity.
We need to think about our cataract surgery in the view point of ecology.
MethodsMethods
• Save power; Setting up at the lowest level for the illumination of the microscope lamp (2300 lx).
• Surgical microscope, OMS-800 (Topcon, Japan) was used.
• Save energy; Turn off the ceiling light, using the indirect lighting.
• Overall case time, phaco time (total nucleus emulsification time), and complications were compared to a similar size group of cataract cases that were performed with a conventional illumination of the microscope lamp (above 17000 lx).
Results Results ThereThere were no significant difference were no significant difference
between two groupsbetween two groups
Normal group (N=50, above 17000 lx)
The lowest illumination group
(N=74, 2300 lx)
total case time(Avg. min. ±SD)
12.1±3.9 11.5±4.3
Total phaco time (Avg. sec. ±SD)
175.7±81.3 166.3±67.2
complications (-) (-)
No patients complained the dazzle for the microscope lamp in the lowest illumination group.
ConclusionsConclusions• Cataract surgery can safely be performed under the
lowest level for the illumination of the microscope
• Cataract surgery can be performed in the lower illumination more than imaged.
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