title: Changes in corneal curvature and refractive error upon refitting with flatter hydrophilic contact lenses.
abstract: Eight subjects who wore hydroxy-ethylmethacrylate (HEMA) contact lenses showed a steepening in corneal curvature and an increase of minus in their post-wear refraction after three months of wear. After one year or more of wear, with the previously noted changes still present, these patients were fitted with a flatter series lenses which they wore for three months. Significant results are noted in corneal curvature and post-wear refractive error.
mesh_terms: D000293:Adolescent; D000328:Adult; D003263:Contact Lenses, Hydrophilic / Q000009:adverse effects*; D003315:Cornea / Q000033:anatomy & histology; D003316:Corneal Diseases / Q000209:etiology*; D006801:Humans; D012030:Refractive Errors / Q000209:etiology*