Laser treatment of silicone intraocular lens opacification associated with asteroid hyalosis

Purpose To report a rare case of intraocular lens (IOL) calcification in the presence of asteroid hyalosis with in-vivo measurements of straylight before and after treatment. Observations A patient with asteroid hyalosis presented with complaints of disability glare due to calcifications on the posterior surface of the IOL. Straylight, measured with the C-Quant, was 8.2x elevated compared to normal (log(s) 2.08). Dissolution of the posterior face IOL deposits was performed with a neodymium-doped yttrium aluminum garnet (Nd:YAG) laser, resulting in a significant decrease in straylight (log(s) 1.76), congruent with the patient's subjective improvement. Conclusions and importance To the best of our knowledge, this is the first report describing a patient with an opacified IOL due to asteroid hyalosis with in-vivo measurements of straylight before and after treatment. It illustrates that awareness of glare complaints in patients with an opacified IOL is important, documentation with C-Quant measurements may be helpful in indicating treatment, evaluating the treatment, and following up the patient, and treatment with a Nd:YAG laser may dissolve the opacifications to a clinically satisfactory level.

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Complications of foldable intraocular lenses requiring explantation or secondary intervention- 2022 survey with update of long-term trends

Renschler,

Kelkar,

Eid

et al. 2023

J Cataract Refract Surg

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Purpose: To assess the complications that resulted in the explantation or secondary intervention with foldable intraocular lenses (IOLs). Setting: University setting, Salt Lake City, Utah. Design: Survey study Methods: For the 25th consecutive year, surgeons were surveyed regarding complications associated with foldable IOLs requiring explantation or secondary intervention over the 2022 calendar year. These forms were made available online using the American and European Societies of Cataract and Refractive Surgery websites and a fax-on-demand service. Surgeons completed one survey for each foldable IOL requiring explantation or secondary intervention. Further analysis determined complication trends related to specific IOL styles, materials, and types over the past 16 years (2007-2022). Results: 103 completed surveys were returned in 2022 contributing to a total of 1627 tabulated surveys since 2007. In the 2022 survey, dislocation/decentration continued to be the most common complication overall. Glare/optical aberrations was a common complication associated with multifocal IOLs continuing a 16-year trend. Additionally, hydrophilic acrylic IOLs as well as some silicone lenses in eyes with asteroid hyalosis demonstrated calcification as the most common complication necessitating explantation. Conclusion: Dislocation/decentration remains the leading cause of explantation in most IOL types. Glare/optical aberrations continue to be an associated complication of multifocal IOLs suggesting this ongoing issue has yet to be resolved with this type of IOL. Additionally, calcification of hydrophilic acrylic lenses and silicone lenses is a rare event but continues to occur.

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Laser treatment of silicone intraocular lens opacification associated with asteroid hyalosis

Cited by 6 publications

References 19 publications

Material Analysis of Explanted Calcified Silicone Intraocular Lenses in Association with Asteroid Hyalosis

Material Analysis of Explanted Calcified Silicone Intraocular Lenses in Association with Asteroid Hyalosis

Straylight due to intraocular lens opacification in a patient with asteroid hyalosis

Complications of foldable intraocular lenses requiring explantation or secondary intervention- 2022 survey with update of long-term trends

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