A contact lens fitting is a clinical procedure necessary for proper lens prescription
Clinical research consistently demonstrates that specialized contact lens procedures, such as orthokeratology and custom lens fitting for irregular corneas, require rigorous clinical evaluations and precise fitting protocols to ensure safety and optimal visual outcomes.
The retrieved literature extensively discusses contact lens fitting procedures, evaluation states, fluid reservoir depths, and clinical outcomes for specialized lenses (such as orthokeratology and scleral lenses), confirming that a proper fitting procedure is a fundamental and necessary component of successful clinical prescription and management.
Carly Siu Yin Lam, Wing Chun Tang, Dennis Y. Tse, Ying Yung Tang, Chi Ho To. Defocus Incorporated Soft Contact (DISC) lens slows myopia progression in Hong Kong Chinese schoolchildren: a 2-year randomised clinical trial. 2013. https://doi.org/10.1136/bjophthalmol-2013-303914
Clinical trials on specialty contact lenses inherently rely on proper fitting procedures to assess efficacy.
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Jacinto Santodomingo‐Rubido, César Villa-Collar, Bernard Gilmartin, Ramón Gutiérrez-Ortega. Myopia Control with Orthokeratology Contact Lenses in Spain: Refractive and Biometric Changes. 2012. https://doi.org/10.1167/iovs.11-8005
Orthokeratology studies document specific fitting protocols to achieve successful refractive and biometric changes.
Padmaja Sankaridurg, Ravi C. Bakaraju, Thomas Naduvilath, Xiang Chen, Rebecca Weng, Daniel Tilia, Pauline Xu, Wayne Li, Fabian Conrad, Earl Smith, Klaus Ehrmann. Myopia control with novel central and peripheral plus contact lenses and extended depth of focus contact lenses: 2 year results from a randomised clinical trial. 2019. https://doi.org/10.1111/opo.12621
Randomized clinical trials evaluating novel contact lens designs necessitate precise fitting procedures.
Marjorie Rah, John Mark Jackson, Lisa Jones, Harue J. Marsden, Melissa D. Bailey, A Barr. Overnight Orthokeratology: Preliminary Results of the Lenses and Overnight Orthokeratology (LOOK) Study. 2002. https://doi.org/10.1097/00006324-200209000-00011
Pilot studies regarding overnight orthokeratology emphasize the importance of learning and evaluating lens fitting procedures.
Dashti Rahmatabadi Z, Naroo SA, Hatami F, Abdi S, Mohammad-Rabei H, Mehravin M, Kheiri B, Farjami M, Sheibani K, Momeni-Moghaddam H, Sabbaghi H. The impact of contact lenses on binocular vision in patients with Keratoconus.. 2026. https://doi.org/10.1016/j.optom.2026.100610
Comparative interventional studies evaluate visual outcomes specifically after specialized contact lens fitting.
Lu R, He Z, Niu K, Song H. A deep learning-based method for evaluating the fitting states of orthokeratology lenses using fluorescein staining videos.. 2026. https://doi.org/10.1016/j.clae.2026.102633
Research demonstrates the necessity of accurately evaluating fitting states using advanced clinical and technological methods.
Zhang C, Hu Z, Li W, Zhang X, He C, Lin S, Wang B. Orthokeratology for stable mild-to-moderate keratoconus: a pilot study on safety and corneal remodeling via quantitative OCT analysis.. 2026. https://doi.org/10.1007/s10792-026-04079-7
Clinical trials utilizing orthokeratology for keratoconus require stringent fitting protocols to ensure structural safety and efficacy.
Fogt JS, Schornack M, Shorter E, Harthan JS, Nau A, Nau C. Fluid Reservoir Characteristics in Established Scleral Lens Wear, Part I-Evaluation of Fluid Reservoir Depth and Midday Fogging.. 2026. https://doi.org/10.1097/icl.0000000000001272
Studies on scleral lenses focus heavily on evaluating fluid reservoir depth as a critical component of successful lens fitting.
Lai WX, Wang MT, Fu RX, Wu X, Hu QM, Jia YY, Zhang YY, Tang DY, Zhang WM. Efficacy of different optical zone design with different myopia control for corneal refractive therapy (CRT): a one-year prospective cohort study.. 2026. https://doi.org/10.1186/s12886-026-04961-z
Prospective cohort studies analyze how specific optical zone designs and fitting parameters influence clinical outcomes.
Kaya S, Sağlik A. Visual outcomes of scleral lenses in different stages and cone locations of keratoconus: A retrospective observational study.. 2026. https://doi.org/10.1097/md.0000000000047230
Retrospective studies show that comprehensive visual improvements in irregular corneas depend directly on proper lens fitting.
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