Bilateral symmetry of disorders of vision is examined in 60 typical patients with retinitis pigmentosa. We observed a very high degree of interocular congruence in the patterns of both kinetic visual field defects and threshold profiles and in abnormalities of foveal colour discrimination and visual acuity. Abnormalities of foveal colour vision are highly correlated with the extent of visual ...

introduction: multiple sclerosis (ms) is a chronic, autoimmune, and inflammatory nervous system disease. it leads to the loss of myelin in the white matter of brain, spinal cord and optic nerves. as a chronic disease with sudden and unpredictable side effects and complications of the disease will lead to disability and dependency in life. causes neurologic symptoms and sig. the purpose of the p...

objectives: one of the issues that have consistently been the concern for the health affair specialists and cure and massive social governors in health fields is the rate of disorders prevalence, diseases and the related subjects to epidemiology. purpose of this study was to estimate the prevalence of mathematic disability amongst primary schools of karaj. methods: totally 432 students were sel...

Background: Visual impairment is one of the independent risk factors for falling among the elderly. Functional disabilities caused by vision disorders are the most common problems affecting the quality of life in this population. Therefore, vision self-management program (VSM) may be helpful for patients in reducing impairment and improving the quality of life. Aim: The present study aimed to i...

Background: A high percentage of the patients referred to dermatologic clinics are either suffer from self inflicted disorders or from misinterpretation about their own health and organ integrity and or may suffer from different skin sensations including itching, pain, and burning; all of which may develop as a result of their underlying psychopathologies. Objective: Identification of underlyin...

Hyperbaric oxygen therapy (HBOT) is a primary or adjunctive therapy for a variety of medical disorders including some involving the eye. This paper is the first comprehensive review of HBOT for ocular indications. The authors recommend the following as ocular indications for HBOT: decompression sickness or arterial gas embolism with visual signs or symptoms, central retinal artery occlusion, oc...

Mystery surrounds the cause of large individual differences in mental imagery vividness and strength, and how these might map onto mental disorders. Here, we report the concentration of sex hormones predicts the strength and vividness of visual mental imagery. We employed an objective measure of imagery utilizing binocular rivalry and a subjective questionnaire to assess imagery. The strength a...