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The clinical outcome of implantable collamer lens in corneal ectasia post astigmatic keratotomy.
Int J Surg Case Rep
January 2025
King Khaled Eye Specialist Hospital, Riyadh, Kingdom of Saudi Arabia. Electronic address:
Introduction: Implantable collamer lens (ICL) is a posterior chamber phakic intraocular lens. It is usually indicated for high refractive error correction that cannot be treated by laser vision correction due to physical limitations.
Case Presentation: 39 years old male with a past ocular history of keratoconus underwent astigmatic keratotomy followed by crosslinking in both eyes a couple of years later due to signs of corneal ectasia progression.
Purpose: To evaluate dynamic changes in ciliary parameters and Implantable Collamer Lens V4C (ICL) (STAAR Surgical) haptic position using mydriatic and miotic agents and their effects on the central and peripheral vault.
Methods: This study involved 80 eyes from 40 consecutive patients (mean age: 28.05 years; range: 19 to 42 years) examined 3 months after ICL implantation.
Purpose: To evaluate the 12-month rotational stability and outcomes of V4c toric Implantable Collamer Lenses (TICLs) (STAAR Surgical) located at two different lens orientations (horizontal or oblique).
Methods: This retrospective study included a total of 403 eyes with TICL implantation, enrolled between January 2021 and December 2022, that were divided into two groups based on the minimum intended angle off the horizontal axis: horizontal with 263 eyes at an angle ±22.5 degrees or less and oblique with 140 eyes at a minimum intended angle of greater than ±22.
Femtosecond laser versus manual clear corneal incision in implantable collamer lens surgery.
Sci Rep
January 2025
Department of Ophthalmology, Parkway Gleneagles Medical and Surgical Center, 389 Nanjing Xi Rd, Shanghai, 200032, China.
This study aims to compare the efficacy and safety of femtosecond laser-assisted implantable collamer lens (ICL) implantation with traditional manual ICL techniques. A retrospective analysis was conducted on patients who underwent ICL implantation at Beijing New Vision Eye Hospital in 2023. Patients (aged 18-45) were matched for gender and refractive error, with forty-two eyes in each group.
View Article and Find Full Text PDFLong-term observation of the in vivo safety of a new design of phakic refractive lens.
BMC Ophthalmol
January 2025
Fudan University Eye Ear Nose and Throat Hospital, Shanghai, China.
Background: To evaluate the biosafety, reduction in anterior capsule opacification, and fluctuation in intraocular pressure (IOP) of a new phakic refractive lens (PRL) with a sinusoidal drainage groove design.
Methods: This self-controlled experiment was performed on eight eyes of four rabbits. Each rabbit was implanted with a sinusoidal PRL (PRL-S5) in the right eye and a conventional posterior chamber PRL (PC-PRL) in the left eye.
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