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

Vision in albinism

C G Summers

    Transactions of the American Ophthalmological Society
    |January 1, 1996
    PubMed
    Summary
    This summary is machine-generated.

    Vision in children with albinism develops slowly, with grating acuity overestimating recognition acuity. Increased illumination improves grating acuity, and macular pigment presence is linked to better vision.

    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

    Management of corn leafhopper (Homoptera: Cicadellidae) and corn stunt disease in sweet corn using reflective mulch.

    Journal of economic entomology·2002
    Same author

    Efficacy of inferior oblique anterior transposition placement grading for dissociated vertical deviation.

    Ophthalmology·2001
    Same author

    Change in refractive error after unilateral levator resection for congenital ptosis.

    Journal of AAPOS : the official publication of the American Association for Pediatric Ophthalmology and Strabismus·2001
    Same author

    High injection pressure during intralesional injection of corticosteroids into capillary hemangiomas.

    Archives of ophthalmology (Chicago, Ill. : 1960)·2001
    Same author

    Stereopsis in patients with albinism: clinical correlates.

    Journal of AAPOS : the official publication of the American Association for Pediatric Ophthalmology and Strabismus·2001
    Same author

    Does cryotherapy affect refractive error? Results from treated versus control eyes in the cryotherapy for retinopathy of prematurity trial.

    Ophthalmology·2001
    Same journal

    The Utility of Color Duplex Ultrasonography in the Diagnosis of Giant Cell Arteritis: A Prospective, Masked Study. (An American Ophthalmological Society Thesis).

    Transactions of the American Ophthalmological Society·2018
    Same journal

    Autoimmune Retinopathy: Current Concepts and Practices (An American Ophthalmological Society Thesis).

    Transactions of the American Ophthalmological Society·2018
    Same journal

    Erratum: Predictors of Intraocular Pressure After Phacoemulsification in Primary Open-Angle Glaucoma Eyes with Wide Versus Narrower Angles (An American Ophthalmological Society Thesis).

    Transactions of the American Ophthalmological Society·2018
    Same journal

    The Relationship Between Ocular Itch, Ocular Pain, and Dry Eye Symptoms (An American Ophthalmological Society Thesis).

    Transactions of the American Ophthalmological Society·2018
    Same journal

    The Effects of Phacoemulsification and Intraocular Lens Implantation on Anatomical and Functional Parameters in Patients with Primary Angle Closure: A Prospective Study. (An American Ophthalmological Society Thesis).

    Transactions of the American Ophthalmological Society·2017
    Same journal

    Predictors of Intraocular Pressure After Phacoemulsification in Primary Open-Angle Glaucoma Eyes with Wide Versus Narrower Angles (An American Ophthalmological Society Thesis).

    Transactions of the American Ophthalmological Society·2017
    See all related articles

    Area of Science:

    • Ophthalmology
    • Genetics
    • Pediatrics

    Background:

    • Albinism is a group of genetic disorders characterized by a lack of melanin pigment.
    • This pigment deficiency affects vision, leading to various visual impairments.
    • Understanding visual development in albinism is crucial for early intervention.

    Purpose of the Study:

    • To characterize grating acuity development in children with albinism.
    • To investigate the impact of illumination on grating acuity.
    • To determine the relationship between macular melanin pigment and visual acuity.

    Main Methods:

    • Grating and recognition acuity were measured in children and adults with albinism using acuity cards and ETDRS charts.
    • Ocular pigment was assessed via iris transillumination and macular transparency grading.

    Related Experiment Videos

  • Visual acuity was compared under standard and increased illumination levels.

    • Main Results:

    • Grating acuity in children with albinism was 2-3 octaves below normal, with acuity measurements overestimating recognition acuity.
    • Increased illumination significantly improved grating acuity in individuals with albinism.
    • Patients with albinism and macular melanin pigment demonstrated significantly better visual acuity.

    Conclusions:

    • Visual development in albinism follows a curve that approaches, but does not reach, normal visual development.
    • Enhanced illumination does not worsen grating acuity in albinism; it may even improve it.
    • The presence of macular melanin pigment in albinism is a positive prognostic indicator for better vision.