The Overnight Vision Correction Lenses segmentation by application distinguishes four primary clinical uses: myopia correction, hyperopia correction, astigmatism correction, and presbyopia correction. Myopia accounts for the largest share, driven by rising near‑work activities and a global prevalence exceeding 30 % of the population; its market contribution is reflected in a 55 % share of total sales. Hyperopia, while less common, benefits from an aging demographic and represents roughly 30 % of the market, as older consumers seek non‑surgical alternatives to reading glasses. Astigmatism correction, often combined with myopia or hyperopia treatment, captures about 10 % of revenue, reflecting the need for toric lens designs to address corneal curvature irregularities. Presbyopia correction, targeting the 40‑plus age group, holds a modest 5 % share, limited by competition from multifocal spectacles but growing as lens‑design technologies improve. Collectively, these application categories form the market taxonomy that drives product development, pricing strategies, and geographic expansion decisions.