AIM To compare the magnitude of apparent accommodation in pseudophakic eyes with refractive against-the-rule (ATR), with-the-rule (WTR) and minimum astigmatism. Factors associated with apparent accommodation were also examined in each group. METHODS In total, 87 pseudophakic eyes (87 patients) that underwent monofocal intraocular lens (IOL) implantation after uneventful cataract surgery were ...

Ghana has become home to many migrants from Francophone countries due educational, professional, economic, and socio-political factors, among others. These factors also interact well with the country’s strategic location within sub-region. As a result, seek access various public services including healthcare. However, language tends be barrier their pursuit of quality Based on Communication Acc...

Purpose: The purpose of the current study was to investigate the pathogenesis of visual fatigue in patients after implantable collamer lens (ICL) implantation based on an evaluation of accommodation function. Methods: Thirty patients (12 males and 18 females) with high myopia underwent a toric or non-toric ICL procedure. Accommodation function was tested pre-operatively and 1, 3, and 6 months p...

Parental accommodation of pediatric OCD is common and is associated with negative affect in parents. Qualitative accounts of caring for a child with OCD are limited and no studies have assessed differences between mothers and fathers in accommodation, coping and distress. The current study used a mixed methods approach to understand parental accommodation, negative affect and coping. Forty-one ...

BACKGROUND Although eye exercises appear to help heterophoria, convergence insufficiency, and intermittent strabismus, results can be confounded by placebo, practice, and encouragement effects. This study assessed objective changes in vergence and accommodation responses in naive young adults after a 2-week period of eye exercises under controlled conditions to determine the extent to which tre...

The mechanism of accommodation and its relevance to presbyopia has been debated since Victorian times, and the arguments are still surprisingly vehement.Are new data bringing us any closer to a resolution? Sir Arthur Conan Doyle, author of the Sherlock Holmes books, also wrote a book called The Lost World, dominated by a brilliant and insufferably arrogant scientist, Prof Challenger. After an e...

Presbyopia is the loss of accommodative ability that occurs with age. Current accommodative theory postulates that the lens is primarily responsible for the refractive change that allows us to read. Our understanding of this process has grown substantially with the advent of new technologies, including ultrasound biomicroscopy (UBM), endoscopy, optical coherence tomography (OCT), ray-tracing an...

purpose: there are a few researches regarding the effects of islamic fasting on visual system. the aim of this study was to investigate the effects of ramadan fasting on the amplitude of accommodation (aa), near point of convergence (npc), positive and negative fusional vergences (pfv and nfv, respectively) in visually healthy fasters. methods: aa, npc, pfv and nfv at far (6m) and near (40cm) w...

purpose : to evaluate the near visual performance of an accommodative intraocular lens (iol) tetraflex, in comparison to a standard monofocal foldable iol in cataract surgery. setting: eye research center , farabi eye hospital , department of ophthalmology, tehran university of medical sciences, iran . methods : forty six eyes of 23 patients with cataract underwent phacoemulsification and accom...

26.1. Physics of the Eye • Explain the image formation by the eye. • Explain why peripheral images lack detail and color. • Define refractive indices. • Analyze the accommodation of the eye for distant and near vision. 26.2. Vision Correction • Identify and discuss common vision defects. • Explain nearsightedness and farsightedness corrections. • Explain laser vision correction. 26.3. Color and...