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Accuracy of a smartphone-assisted novel labeling method for marking target axial position in cataract surgery / 国际眼科杂志(Guoji Yanke Zazhi)
International Eye Science ; (12): 463-468, 2024.
Artigo em Chinês | WPRIM | ID: wpr-1011402
ABSTRACT

AIM:

To evaluate the convenience and accuracy of a novel smartphone-assisted “any-point two-step method” for finding the target axial position in cataract phacoemulsification combined with intraocular lens(IOL)implantation.

METHODS:

Prospective observational study. A total of 62 cases(62 eyes)of patients with age-related cataracts who underwent cataract phacoemulsification combined with IOL implantation in our hospital from October 2021 to April 2022 were selected. They were randomly divided into two groups 31 cases(31 eyes)in the control group were applied with the “traditional two-step method” using slit lamp to mark the target axial position of the IOL, and 31 cases(31 eyes)in the experimental group were applied with the smartphone-assisted “two-step method” to mark the target axial position of the IOL. The Callisto eye navigation system was used as a standard reference, and the deviation of the reference marking point(deviation-1), the deviation of the target axial marking point(deviation-total), and the deviation of the angle from the reference marking point to the target axial marking point(deviation-2)were calculated and recorded as the preoperative axial marking time.

RESULTS:

Both deviation-1 and deviation-total values were lower in the experimental group than those in the control group(1.06°±1.39° vs 2.48°±2.23°, 1.77°±1.54° vs 2.81°±1.58°, all P<0.01), but there was no significant difference in the deviation-2 values between the two groups(1.35°±1.40° vs 1.48°±1.79°, P>0.05). The preoperative axial marking took shorter time in the experimental group than in the control group(1.77±1.70 min vs 2.88±3.20 min, P<0.01).

CONCLUSION:

The smartphone-assisted “any-point two-step method” for finding the target axial position in cataract phacoemulsification combined with IOL implantation is simple, time-saving, and accurate compared with the “traditional two-step method”.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: International Eye Science Ano de publicação: 2024 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: International Eye Science Ano de publicação: 2024 Tipo de documento: Artigo