Relationship Between Habitual Refractive Errors and Headache Complaints in Schoolchildren

Hendricks, Theo J W; Brabander, John de; Horst, F. G. van der; Hendrikse, Fred; Knottnerus, J. A.

doi:10.1097/opx.0b013e318031b649

Cited by 40 publications

(35 citation statements)

References 28 publications

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“…Headache complaints showed a small but statistically significant association with the sphere component of refractive error in girls and the cylinder component of refractive error in boys. 9 On the basis of our study, we conclude that compound and mixed types of astigmatism, anisometropia, and miscorrection of refractive error are found more often in patients with headache than in control subjects.…”

Section: Discussionmentioning

confidence: 86%

The correlation between headache and refractive errors

Akıncı¹,

Güven²,

Değerli̇yurt³

et al. 2008

Journal of American Association for Pediatric Ophthalmology and

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Section: Discussionmentioning

confidence: 86%

The correlation between headache and refractive errors

Akıncı¹,

Güven²,

Değerli̇yurt³

et al. 2008

Journal of American Association for Pediatric Ophthalmology and

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“…found a higher prevalence of astigmatism in the group with headache, whereas spherical refractive errors were not significantly different between groups. Hendricks et al ., in a study of 487 children also found a weak but significant association between headache and habitual (i.e. uncorrected) astigmatic refractive error, but only in boys.…”

Section: Visual and Functional Impact Of Astigmatismmentioning

confidence: 90%

The visual and functional impacts of astigmatism and its clinical management

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Vincent

Collins

2014

Ophthalmic Physiologic Optic

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Purpose: To provide a comprehensive overview of research examining the impact of astigmatism on clinical and functional measures of vision, the short and longer term adaptations to astigmatism that occur in the visual system, and the currently available clinical options for the management of patients with astigmatism. Recent findings: The presence of astigmatism can lead to substantial reductions in visual performance in a variety of clinical vision measures and functional visual tasks. Recent evidence demonstrates that astigmatic blur results in short-term adaptations in the visual system that appear to reduce the perceived impact of astigmatism on vision. In the longer term, uncorrected astigmatism in childhood can also significantly impact on visual development, resulting in amblyopia. Astigmatism is also associated with the development of spherical refractive errors. Although the clinical correction of small magnitudes of astigmatism is relatively straightforward, the precise, reliable correction of astigmatism (particularly high astigmatism) can be challenging. A wide variety of refractive corrections are now available for the patient with astigmatism, including spectacle, contact lens and surgical options. Conclusion: Astigmatism is one of the most common refractive errors managed in clinical ophthalmic practice. The significant visual and functional impacts of astigmatism emphasise the importance of its reliable clinical management. With continued improvements in ocular measurement techniques and developments in a range of different refractive correction technologies, the future promises the potential for more precise and comprehensive correction options for astigmatic patients.

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“…Recent studies have observed that some children have higher grades of dehydration by the time they arrive at school 21,22,100 which could have considerable consequences on cognition, 22,101,102 headache and refractive errors. 103,104 This could suggest that at school and intensive study, children do not hydrate sufficiently and could have an effect over the long term on their myopia. On the other hand, outdoors activities and especially during the summer would tend to encourage the consumption of fluids, mainly water, and thus could have the protective effect on myopia.…”

Section: Refractive Errormentioning

confidence: 99%

Hydration, fluid regulation and the eye: in health and disease

Sherwin

Kokavec

Thornton

2015

Clinical Exper Ophthalmology

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Variation in systemic hydration status, namely chronic systemic hypohydration or dehydration, can influence the development of several chronic non-ophthalmic diseases. Owing to the eye's high water content and unique system of fluid regulation, we hypothesized that hydration status may affect the eye in health and disease states. Therefore, we performed a systematic review of the current evidence implicating changes in hydration and their association with ocular physiology and morphological characteristics. We also reviewed relevant clinical correlations of changes in hydration and major common eye diseases. Our findings suggest that systemic hydration status broadly affects a variety of ocular pathophysiologic processes and disease states. For example, dehydration may be associated with development of dry eye syndrome, cataract, refractive changes and retinal vascular disease. On the other hand, excessive hydration is associated with some ocular diseases. Tear fluid osmolarity may be an effective marker of systemic hydration status. Recent studies implicate chronic renin-angiotensin-aldosterone system activation in the pathogenesis of diabetic retinopathy and glaucoma but also suggest its antagonism may be a useful therapeutic target. Our findings indicate that assessment of hydration status may be an important consideration in the management of patients with chronic eye diseases and undergoing eye surgery. Further research investigating the role of acute and chronic changes in hydration in individuals with and without ocular disease is warranted.

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Relationship Between Habitual Refractive Errors and Headache Complaints in Schoolchildren

Cited by 40 publications

References 28 publications

The correlation between headache and refractive errors

The correlation between headache and refractive errors

The visual and functional impacts of astigmatism and its clinical management

Hydration, fluid regulation and the eye: in health and disease

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