astigmatism/headache

OBJECTIVE A literature review reveals historical references to an association between migraine headache and refractive errors, but a lack of scientific evidence relating to these claims. METHODS In a masked case-controlled study, we investigated the four aspects of refractive errors that have been

The correction of astigmatism is an essential element for the refractive surgery because the majority of patients have important preoperative cylinder An uncorrected astigmatism decreases visual acuity and can also cause glare, asthenopia, headaches, monocular diplopia. It is important to remark

OBJECTIVE To determine the frequency of ocular abnormalities in patients with headache seen for an ocular examination. METHODS All 944 consecutive new patients with headache examined during a 3-year period (1984-1986) at the Department of Ophthalmology, University of Kinshasa, Democratic Republic of

OBJECTIVE Refractive error (RE) is considered to be a possible cause for headaches. We aimed to gain insight into the relation between habitual RE (sphere and astigmatism) and headache complaints. METHODS In a cross-sectional study the habitual refractive state of 487 children, aged between 11 and

BACKGROUND Headache is a common complaint in children occasionally requiring hospital admission. The purposes of the present study were to analyze the prevalence of uncorrected ametropia in children with headache admitted to the hospital, and evaluate the importance of refraction assessment as part

OBJECTIVE To evaluate refractive errors in patients with migraine headache and to compare with healthy subjects. METHODS This prospective case-control study includes patients with migraine and age- and sex-matched healthy subjects. Clinical and demographic characteristics of the patients were noted.

OBJECTIVE To compare the prevalence of refractive errors in patients with headache and a control population. METHODS Three hundred ten patients with headache and 843 controls were retrospectively evaluated. Complete ophthalmologic examination was performed in the headache group. Autorefraction was

In seven patients with intracranial meningioma whose presenting signs and symptoms were ophthalmologic the underlying problem was initially misdiagnosed. Three patients had sphenoidal meningiomas with compression of the anterior visual pathways, but the initial diagnoses were acute optic neuritis,

The most severe complications after penetrating keratoplasty (PKP) include high astigmatism and immunological graft reaction. The introduction of the corneal intrastromal titan ring by Krumeich intended to reduce the incidence of both complications. We present two patients with keratoconus who

Meares-Irlen syndrome is characterised by symptoms of eye strain, headaches and visual perceptual distortions when viewing text. The symptoms are alleviated with individually prescribed coloured filters, such as precision tinted lenses. Meares-Irlen syndrome, and the related condition of visual

Objectives: Temporomandibular disorders (TMDs), orthodontic diseases, and vision dysfunctions seem to be strictly related. The purpose of this study was to prove the relationship, to evaluate the prevalence and the distribution of vision

OBJECTIVE To document the prevalence of visual impairment resulting from refractive error and to describe patterns of spectacle use in a representative sample of 12-year-old Australian school children. METHODS Population-based cross-sectional study. METHODS Two thousand three hundred fifty-three

BACKGROUND Visual impairment is one of a major public health problem among elderly people. OBJECTIVE Aim of this study was determining the prevalence of visual impairment in median and old peoples in Qazvin (Iran). METHODS In this cross sectional study, with a simple random sampling, 446 patients