Update on indications, complications, and outcomes of scleral contact lenses

Background: The role of scleral contact lenses (SCLs) has increasingly expanded since the first lens was fitted more than a century ago. While it was initially prescribed for the management of severely compromised corneas, the indications for modern SCL use have expanded to include less severe disea...

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Bibliographic Details
Published in:Medical hypothesis, discovery and innovation in ophthalmology discovery and innovation in ophthalmology, 2022-02, Vol.10 (4), p.165-178
Main Authors: Ruiz-Lozano, Raul E., Gomez-Elizondo, Daniela E., Colorado-Zavala, Maria F., Loya-Garcia, Denise, Rodriguez-Garcia, Alejandro
Format: Article
Language:English
Subjects:
Astigmatism
Contact lenses
Cornea
Design
Hypotheses
Medical personnel
Ophthalmology
Optics
Patient education
Prostheses
Rehabilitation
Review
Terminology
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Summary:Background: The role of scleral contact lenses (SCLs) has increasingly expanded since the first lens was fitted more than a century ago. While it was initially prescribed for the management of severely compromised corneas, the indications for modern SCL use have expanded to include less severe diseases. In this review, we aimed to provide an up-to-date overview of the current indications, complications, and outcomes for the various types of SCLs. Methods: In this narrative review, we thoroughly searched the PubMed/MEDLINE database for literature published from January 1980 to November 2021. Only relevant up-to-date English references were included. Furthermore, the figures in this manuscript were derived from our unit’s patient documentation. Results: Currently, SCLs can successfully be used to manage ocular surface diseases, visually rehabilitate irregular corneas, and correct irregular refractive errors. Although newer materials have yielded the same visual outcomes with fewer complications, these consequences still occur in approximately one-third of contact lens wearers, including difficulties in insertion and/or removal, discomfort or pain, and developing either halos, blurriness, or haze. Even though most of these complications are minor and can be easily treated, a good practice is essential to avoid sight-threatening complications such as microbial keratitis. Conclusions: SCLs are indispensable in ophthalmic clinics. The development of better-quality SCLs has increased the number of indications and improved the achievable visual rehabilitation. The future of developing improvements in SCL design, materials, and fit, and the expansion of their indication range is promising.
ISSN:2322-3219
2322-4436
2322-3219
DOI:10.51329/mehdiophthal1435