Refractive errors are the most common visual problem in children apart from squinting. Indications for spectacles include amblyopia prophylaxis and treatment, strabismus, myopia and reading disorders. Objective refraction by retinoscopy is the central part of prescribing spectacles to children. A slight under correction (maximum of 0.5 dpt in cases with and 1.0 dpt without squint) can be considered in hyperopia only. Myopia, astigmatism and anisometropia must be fully corrected. Any prescription must mention "MA=PD" and "plastic lenses" as well as "high bifocal" if needed. Information to the parents is essential for good compliance of spectacle wear. Step-by-step instructions and a list of possible errors will be given.
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Comparison of spectacle lenses with highly aspherical lenslets versus orthokeratology for the management of axial length elongation.
Clin Exp Optom
January 2025
Aier Eye Hospital, Jinan University, Guangzhou, China.
Clinical Relevance: When selecting an intervention for myopia management, parental inquiries centre around the comparative efficacy of orthokeratology versus myopic defocus spectacle lenses. This prompts an intriguing investigation into the nuanced differences between these two treatment methods.
Background: This study aimed to compare the efficacy of spectacle lenses with highly aspherical lenslets (HAL) versus orthokeratology (Ortho-k) in controlling axial length elongation.
Real-world outcomes on myopia management efficacy of diverse segmented defocus optics (DSDO) and defocus incorporated multiple segments (DIMS) spectacle lenses in Chinese children: An initial 12-month prospective clinical study.
J Optom
January 2025
Department of Ophthalmology, Peking University People's Hospital, Beijing, China; Eye Diseases and Optometry Institute, Beijing, China; Beijing Key Laboratory of Diagnosis and Therapy of Retinal and Choroid Diseases, Beijing, China; College of Optometry, Peking University Health Science Center, Beijing, China.
Purposes: To investigate the 12-month effectiveness of Diverse Segmented Defocus Optics (DSDO) and Defocus Incorporated Multiple Segments (DIMS) spectacle lenses in a real-world clinical population in myopic and pre-myopic Chinese children.
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Background: Contrast sensitivity is an important measure of vision quality. Risk of falling injury is strongly associated with poor contrast sensitivity compared with poor near- and distance visual acuity. Since good visual acuity is not necessarily associated with good visual performance in the "real world" it is important to consider contrast sensitivity when prescribing corrective lenses.
View Article and Find Full Text PDFUse of refractive aids among adults in a general population.
Sci Rep
January 2025
Department of Clinical Medicine, Aarhus University, Aarhus N, DK-8200, Denmark.
Spectacles and contact lenses are important for conducting a normal life in a large part of the general population. The purpose of this study was to estimate the use of these refractive aids in a normal adult population, and to identify characteristics of persons who should be targeted in order to improve uncorrected refraction. In the FORSYN study, 10,350 citizens representative for the adult Danish population were invited for a non-cycloplegic eye examination.
View Article and Find Full Text PDFUnlabelled: Current strategies for treating progressive myopia are closely linked to optical methods based on the theory of peripheral defocus. Myopic defocus causes an increase in choroidal thickness (CT) and a decrease in axial length (AL) of the eye. No comparative studies on the effects of spectacle lenses with highly aspherical lenslets (HAL) and monofocal lenses (MFL) on CT and AL in children with newly diagnosed myopia have been conducted.
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