Face and Content Validity of an Artificial Eye Model for Secondary Intraocular Lens Fixation via Yamane Technique

Jordan J Huang; Derek Waldner; Jaxon J Huang; Joshua M Huang; Paul Huang; Joshua C Teichman; Mahshad Darvish-Zargar; Patrick Gooi

doi:10.2147/OPTH.S419464

Face and Content Validity of an Artificial Eye Model for Secondary Intraocular Lens Fixation via Yamane Technique

Clin Ophthalmol. 2023 Jul 21:17:2063-2069. doi: 10.2147/OPTH.S419464. eCollection 2023.

Authors

Jordan J Huang¹, Derek Waldner^{1

2}, Jaxon J Huang³, Joshua M Huang¹, Paul Huang^{1

2}, Joshua C Teichman^{4

5}, Mahshad Darvish-Zargar⁶, Patrick Gooi²

Affiliations

¹ Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
² Division of Ophthalmology, University of Calgary, Calgary, Alberta, Canada.
³ John A. Burns School of Medicine, University of Hawaii, Honolulu, HI, USA.
⁴ Department of Ophthalmology and Vision Sciences, University of Toronto, Toronto, Ontario, Canada.
⁵ Division of Ophthalmology, Trillium Health Partners, Mississauga, Ontario, Canada.
⁶ Division of Ophthalmology, McGill University, Montreal, Quebec, Canada.

Abstract

Purpose: To assess the face and content validity of an artificial eye model for secondary intraocular lens (IOL) fixation via the Yamane technique.

Methods: Ophthalmologists and residents participated in a 90-minute simulation session on secondary IOL fixation via the Yamane technique. Hands-on practice of this technique was performed on an artificial eye, the Bioniko Okulo BR8. After, all ophthalmologists answered an 18-question survey assessing the face and content validity of the model. Survey responses were recorded on a 5-point double-headed Likert scale, ranging from strongly agree (1)-to-strongly disagree (5) (Figure 1).

Results: Twenty-three surveys were completed. Respondents rated the survey with a median response of 1 (strongly agree)-to-3 (neutral). Highest ratings for the model were received for "usefulness for training residents", and "easier to set up and clean-up compared to a cadaver". Lowest ratings were received for realism of the model compared to cadaveric eyes. Statistical analysis revealed no significant difference among identified groups. Ratings for face and content validity were viewed favorably, both with an overall median response of 2.00 (agree).

Conclusion: The Bioniko Okulo BR8 shows promise as a valid tool for practicing secondary IOL fixation via the Yamane technique. Considering recent guidelines in competency-based ophthalmology education programs, this model may be a valuable tool over traditional techniques for teaching and improving surgical skill amongst trainees.

Keywords: Bioniko; Okulo; cataracts; model; training.