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

Presbyopia among normal individuals.

Abraham Spierer1, Benjamin Shalev

  • 1Goldschleger Eye Institute, Sheba Medical Center, 52621, Tel-Hashomer, Israel. spierera@post.tau.ac.il

Graefe'S Archive for Clinical and Experimental Ophthalmology = Albrecht Von Graefes Archiv Fur Klinische Und Experimentelle Ophthalmologie
|February 28, 2003
PubMed
Summary
This summary is machine-generated.

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

Unilateral lateral rectus recession is an effective surgery for intermittent exotropia in young children.

BMC ophthalmology·2021
Same author

Retinopathy of prematurity in discordant twins: is the small twin at increased risk?

Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie·2020
Same author

Challenging Management of Double Vision After Functional Endoscopic Sinus Surgery-A Series of 6 Cases.

American journal of ophthalmology·2018
Same author

Liquid Crystals--Transformer That Meets the Eye.

Journal of pediatric ophthalmology and strabismus·2015
Same author

Measurement of Axial Length in an Office Setting Versus Under General Anesthesia in Infants and Toddlers: A Comparative Study.

Journal of pediatric ophthalmology and strabismus·2015
Same author

How crowding, masking, and contour interactions are related: A developmental approach.

Journal of vision·2015

Early presbyopia, or the need for reading glasses, may be linked to hyperopia and lower amplitude of accommodation at age 20. These ocular variables can predispose individuals to needing glasses sooner.

Area of Science:

  • Ophthalmology
  • Optometry
  • Vision Science

Background:

  • Presbyopia, the age-related loss of near focusing ability, necessitates the use of reading glasses.
  • Identifying predictive ocular factors for early presbyopia onset is crucial for timely intervention.

Purpose of the Study:

  • To determine specific ocular variables that predict the early onset of presbyopia.
  • To investigate factors influencing the need for reading glasses before age 45.

Main Methods:

  • A retrospective analysis of 100 healthy male pilots with presbyopia was performed.
  • Ocular parameters, including refraction and amplitude of accommodation, were recorded annually from age 20 to 50.
  • Subjects were categorized into early (<45 years) and late (>45 years) presbyopia groups.

Related Experiment Videos

Main Results:

  • Refraction at age 20 showed a significant difference between groups (0.1+/- 0.3 D in early vs. 0.0 +/- 0.3 D in late onset).
  • Amplitude of accommodation at age 20 also differed significantly (9.5 +/- 1.2 D in early vs. 9.9 +/- 1.0 D in late onset).

Conclusions:

  • Hyperopia at age 20 is associated with an earlier need for reading glasses.
  • A lower amplitude of accommodation at age 20 may predispose individuals to the early development of presbyopia.