Results 91 to 100 of about 8,706 (173)

Visual acuity measured with luminance-modulated and contrast-modulated noise letter stimuli in young adults and adults above 50 years old [PDF]

, 2016
The human visual system is sensitive in detecting objects that have different luminance level from their background, known as first-order or luminance-modulated (LM) stimuli.
A Bertone, A Schofield, A Smith, B Winn, C Baker, C Bassi, C Habak, C Owsley, D Elliot, D Elliott, D Hubel, E Wong, E Wong, H Ashida, I Mareschal, J Calvert, J Larsson, K Daffner, L Frisén, M Hairol, M Hairol, P Spear, P Woi, P Woi, P Woi, R Weale, S Chung, S Chung, S Pardhan, S Sukumar, S Waugh, S Waugh, T Costa, Y Shen, Y Tang, Y Wang   +35 more
core   +2 more sources

Is there an association between convergence insufficiency and refractive errors?

African Vision and Eye Health, 2017
Background: Refractive errors and convergence insufficiency play major roles in reading efficiency. Uncorrected refractive errors are a primary cause of binocular anomalies, including convergence insufficiency.
Samuel Otabor Wajuihian
doaj   +1 more source

Frequency of asthenopia and its association with refractive errors

African Vision and Eye Health, 2015
Background: Asthenopia is a common complaint amongst patients who attend eye care settings. Owing to associated discomfort or distress, asthenopia affects efficient reading and performance of near tasks.
Samuel O. Wajuihian
doaj   +1 more source

Accommodation, Pattern Glare, and Coloured Overlays [PDF]

, 2012
We manipulated the accommodative response using positive and negative lenses to study any association between symptoms of pattern glare and accommodation.
Allen, Peter M, Aloo, Mohammed, Dedi, Sonia, Kumar, Dimple, Patel, Tanuj, Wilkins, Arnold J   +5 more
core   +2 more sources

A Robust and Reliable Test to Measure Stereopsis in the Clinic [PDF]

, 2016
yesPurpose: The purpose of this study was to develop a convenient test of stereopsis in the clinic that is both robust and reliable and capable of providing a measure of variability necessary to make valid comparisons between measurements obtained at ...
Barrett, Brendan T., Clavagnier, S., Ding, R., Guo, C., Hess, R.F., Liu, C., Radia, Krupali, Viner, Catherine, Zhou, J.   +8 more
core   +1 more source

Refractоry anomalies on preschool children in Stip [PDF]

, 2017
Introduction: The refractive anomalies are the most common vision disorders that affect children. For pre-school children, amblypia and the amblyogenic risk factors, like strabismus and significant refractive errors are the most prevalent and most ...
Dimitrova, Kristina, Dodevska, Biljana, Gazepov, Strahil, Panova, Gordana   +3 more
core  

Analysis of Alphabet Patterns of Deviations Found in Patients Without Strabismus in Primary Position

Clinical Optometry, 2020
Liat Gantz,1 Michel Millodot,2 Gary Lewis Roth1 1Department of Optometry and Vision Science, Hadassah Academic College, Jerusalem, Israel; 2School of Optometry and Vision Sciences, Cardiff University, Cardiff, UKCorrespondence: Liat GantzDepartment of ...
Gantz L, Millodot M, Roth GL
doaj  

The influence of near point of convergence training on the accommodative facility [PDF]

, 2017
El propòsit d’aquest estudi pilot era determinar si entrenant el punt pròxim de convergència utilitzant el mètode del push-up durant 3 minuts, la flexibilitat acomodativa millorava per la seva relació d’associació.
Figuls Riu, Maria
core  

Clinical features of Sudanese patients presenting with binocular vision anomalies: A hospital-based study. [PDF]

J Med Life, 2023
Alrasheed SH, Osman TM, Aljohani S, Alshammeri S.   +3 more
europepmc   +1 more source

Development of Moire machine vision [PDF]

Three dimensional perception is essential to the development of versatile robotics systems in order to handle complex manufacturing tasks in future factories and in providing high accuracy measurements needed in flexible manufacturing and quality control.
Harding, Kevin G.
core   +1 more source