Descriptive Analysis of Footplate Position After Myopic Implantable Collamer Lens Implantation Using a Very...

Area of Science:

• Ophthalmology
• Medical Imaging
• Biomedical Engineering

Background:

• Implantable collamer lenses (ICL) are widely used for myopia correction.
• Accurate ICL positioning is crucial for optimal visual outcomes and minimizing complications.
• Understanding the precise location of ICL haptics is essential for long-term safety and efficacy.

Purpose of the Study:

• To evaluate the anatomical position of implantable collamer lens (ICL) haptics in myopic eyes.
• To utilize a high-frequency ultrasound robotic scanner for detailed assessment of ICL placement.
• To investigate the relationship between ICL position and the ciliary sulcus.

Main Methods:

• Prospective, single-arm, observational study.
• Involved 52 eyes with successful ICL implantation.
• Employed a very-high frequency digital ultrasound robotic scanner (VHFDU) for imaging.

Main Results:

• ICL haptics were found to rest on the ciliary body (CB) in 81% of cases.
• Only 6% of eyes had ICLs resting on the sulcus bilaterally.
• Significant correlations were observed between ICL position, vault, and retroposition distance.

Conclusions:

• ICL haptics frequently locate outside the ciliary sulcus post-implantation.
• VHFDU provides valuable insights into ICL footplate position and posterior anatomical relations.
• This imaging technique offers additional information beyond standard post-surgery vault measurements.