Results 11 to 20 of about 102,036 (238)

The Near Point of Convergence in Patients with Vestibular Migraine [PDF]

International Archives of Otorhinolaryngology
Introduction Vestibular migraine (VM) is one of the most common vestibular disorders and its diagnosis is based entirely on clinical features. A recent case series suggested a possible link between migraines and convergence insufficiency.
Francisco Carlos Zuma e Maia, Bernardo Faria Ramos, Roseli Saraiva Moreira Bittar, Renato Valerio Rodrigues Cal, Leonel Almeida Luís, Pedro Luiz Mangabeira Albernaz   +5 more
doaj   +5 more sources

Receded near point of convergence as a predictor of mild cognitive impairment in the general geriatric population: results from a population-based study [PDF]

International Journal of Ophthalmology, 2023
AIM: To investigate the relationship between near point of convergence (NPC) and mild cognitive impairment (MCI) in the general elderly population. METHODS: The present report is a part of the Tehran Geriatric Eye Study (TGES): a population-based cross ...
Asgar Doostdar, Hassan Hashemi, Payam Nabovati, Amir Asharlous, Mehdi Khabazkhoob   +4 more
doaj   +4 more sources

Normative data for near point of convergence, accommodation, and phoria

Oman Journal of Ophthalmology, 2015
Background: Measurement of for near point of convergence (NPC), amplitude of accommodation (AA) and phoria are important components of diagnosing nonstrabismic binocular vision anomalies.
Neethu G Abraham, Krithica Srinivasan, Jyothi Thomas   +2 more
doaj   +4 more sources

The relationship between binocular vision symptoms and near point of convergence

Indian Journal of Ophthalmology, 2013
Aim and Background: Due to the relatively high prevalence of binocular vision anomalies, a regular examination including tests for assessment and determination of these anomalies is necessary.
Momeni-Moghaddam Hamed, A Goss David, Ehsani Marzieh   +2 more
doaj   +4 more sources

Near Phoria and Near Point of Convergence Parameters in Children With Hearing and Speech Impairment: A Cross‐Sectional Study [PDF]

Health Science Reports
Background and Aims Children with hearing and speech impairment are reported to have a higher prevalence of refractive errors and amblyopia. Most studies conducted previously have not primarily concentrated on the binocular vision aspects of near vision ...
Jameel Rizwana Hussaindeen, Mariza Mavroidis, Badrinath P. Ashwin, Meenakshi S. Sruthi, Baskar Theagarayan   +4 more
doaj   +3 more sources

The distribution of near point of convergence, near horizontal heterophoria, and near vergence among myopic children in South Korea

Taiwan Journal of Ophthalmology, 2016
To assess the distribution of near point of convergence (NPC), near heterophoria, and near vergence among myopic school children in South Korea.One hundred and thirty-six elementary school children, aged 8-13 years, were each given a thorough eye examination including binocular vision testing, NPC using standard push-up technique, horizontal ...
Jang JU, Park IJ, Jang JY.
exaly   +4 more sources

Characteristics of saccades during the near point of convergence test

Vision Research, 2021
The near point of convergence test is widely used to evaluate binocular vision. It assesses the ability of the eyes to converge at short distances. Although the test consists of a pure symmetrical vergence task, small involuntary saccades occur concurrently.
Clara Mestre, Jaume Pujol, Fernando Diaz Douton   +2 more
exaly   +4 more sources

IS NEAR POINT OF CONVERGENCE ASSOCIATED WITH SYMPTOM PROFILES OR RECOVERY IN ADOLESCENTS AFTER CONCUSSION? [PDF]

Orthopaedic Journal of Sports Medicine, 2021
Background: Visual impairments, including oculomotor impairments, are common following concussion. Accurate, efficient, and objective measurement of post-concussion visual impairments may help guide treatment pathways.
Gregory A. Walker MD, Julie C. Wilson MD, Corrine N. Seehusen, Aaron J. Provance MD, David R. Howell PhD   +4 more
doaj   +2 more sources

Near Points of Convergence and Accommodation in a Population of University Students in Iran

Journal of Ophthalmic & Vision Research, 2019
Purpose: To determine the distribution of the near point of convergence (NPC) and near point of accommodation (NPA) in a young student population in Iran. Methods: The subjects were selected using a cluster sampling method.
Hassan Hashemi, Mojgan Pakbin, Babak Ali, Abbasali Yekta, Hadi Ostadimoghaddam, Amir Asharlous, Mohammadreza Aghamirsalim, Mehdi Khabazkhoob   +7 more
doaj   +4 more sources

Frequency of Convergence Insufficiency Among Young Adults in a University Population [PDF]

British and Irish Orthoptic Journal
Background: Convergence insufficiency (CI) is a binocular vision disorder that has been linked to increasing visual demands of near tasks. As young adults routinely perform many near-work tasks, often with digital devices, this study evaluated the ...
Nishanee Rampersad, Nashka Naidoo, Sibulelo Dzanibe, Husna Alli, Tasneem Makada, Owethu Mthethwa, Tamara Pillay, Minenhle Dube   +7 more
doaj   +2 more sources