asthenopia/headache

In a questionnaire survey we determined the prevalence of visual symptoms and eye strain factors in a group of chronic headache sufferers as compared with age- and sex-matched controls. The visual symptoms studied were those not specific for headache, i.e., sensitivity to light and blurred vision.

BACKGROUND The individual and combined effect of occupational noise and vibration exposures, on workers' health has not been thoroughly investigated. In order to find better ways to prevent and manage workers' headache, this study aimed to investigate the effects of occupational noise and vibration

OBJECTIVE To determine the aetiology of headache in patients seen for an ocular examination. METHODS This cross-sectional, descriptive study was conducted at Ophthalmology Department of Karachi Medical and Dental College, Abbasi Shaheed Hospital, Karachi, from January to December 2014, and comprised

OBJECTIVE The purpose of this case report is to describe the chiropractic care of a 10-year-old boy who presented with developmental delay syndromes, asthma, and chronic neck and head pain and to present an overview of his muscular imbalances during manual muscle testing evaluation that guided the

Computers have become to play an important role in people's lives throughout the world thus increasing the number of patients with ocular complaints. Also known as computer vision syndrome, accommodative asthenopia might be considered as a neglected occupational condition, but there is no consensus

OBJECTIVE Application of adequate correction of refractory errors for the treatment of asthenopia of young visual display terminal (VDT) workers was evaluated from subjective complaints and the effect on accommodation dynamics (step response) before and after 6 months. METHODS Young VDT workers who

Seventy-three patients with asthenopia and 43 control subjects were examined with the Pola-Test. The two populations showed a significantly different frequency of pathologic results on the four test patterns. The so-called "stereo test" seems to be the most important test pattern. Patients with a

The rapid modulation of light from fluorescent lamps is responsible for eye-strain and headaches. The modulation is greater at certain wavelengths than at others, and it can therefore be reduced by wearing tinted spectacles. A tint was designed: (1) to minimize the luminous pulsation of light from