The Global Orthokeratology Lens Market size is expected to register a CAGR of7.4% during the forecast period with a market value of USD 3,857.8 Million till 2025. Orthokeratology is also known as ortho-k, corneal refractive therapy (CRT), and overnight vision correction therapy. In the orthokeratology therapy, rigid gas permeable contact lenses are worn overnight that reshapes the curvature of the cornea to improve object visibility. The use of ortho-k lenses eliminates the need for daytime contact lenses or glasses and improves vision. The increasing advancements in the field of ophthalmology over the past couple of decades, low cost compared to laser-assisted in situ keratomileuses (LASIK) treatment is anticipated to drive the market growth. However, the risk associated with orthokeratology and availability of alternative treatment methods is likely to hamper the market growth.