Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

A comparison of three methods for determining the reading addition.

G C Woo, J G Sivak

    American Journal of Optometry and Physiological Optics
    |February 1, 1979
    PubMed
    Summary

    This study found that three methods for determining reading addition, including a variable color grid target, yielded similar results. Reversing line colors on the variable target did not alter measurements, suggesting consistent reading addition assessment.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    Optical performance of the bovine lens before and after cold cataract.

    Applied optics·2010
    Same author

    Dose-response of the cultured bovine lens to butyl, methyl and propyl parabens.

    International journal of cosmetic science·2008
    Same author

    The effects of toxicological agents on the optics and mitochondria of the lens and the mitochondria of the corneal epithelium.

    Seminars in cell & developmental biology·2007
    Same author

    Vision of low astigmats through thick and thin lathe-cut soft contact lenses.

    Contact lens & anterior eye : the journal of the British Contact Lens Association·2005
    Same author

    Inter-relationships between DNA damage, ascorbic acid and glycaemic control in Type 2 diabetes mellitus.

    Diabetic medicine : a journal of the British Diabetic Association·2005
    Same author

    Optical function and mitochondrial metabolic properties in damage and recovery of bovine lens after in vitro carbonyl cyanide m-chlorophenylhydrazone treatment.

    Mitochondrion·2005

    Area of Science:

    • Ophthalmology
    • Optometry
    • Vision Science

    Background:

    • Accurate reading addition is crucial for presbyopia correction.
    • Standardized methods ensure reliable prescription of reading glasses.

    Purpose of the Study:

    • To compare the reliability of different subjective methods for determining reading addition.
    • To assess the impact of color reversal on a variable color near-point grid target.

    Main Methods:

    • Subjective reading addition was measured in 10 subjects using three distinct methods.
    • Methods included a cross cylinder grid target, a variable color near-point grid target, and a standard reading card.
    • Color reversal of target lines was tested on the variable color grid target.

    Main Results:

    Related Experiment Videos

    • All three subjective methods produced comparable results for reading addition.
    • No significant change in measurement was observed when the color of horizontal and vertical lines was reversed on the variable color target.

    Conclusions:

    • The tested subjective methods for assessing reading addition are consistent.
    • The variable color near-point grid target offers a reliable tool for subjective reading addition determination, unaffected by line color reversal.