watercress is a leafy vegetable of the family brassicaceae that grows in and around water, it has a short shelf life (approximately seven days) and it is consumed raw or steamed. the objective of this work was to study the effect of packaging film and different storage temperature on the postharvest quality of watercress minimally processed. treatments were: packed with plain film (pd961ez, 31m...

Functional visual loss is a common problem encountered in practice. It must be recognized that this problem occurs in patients who have organic illness. Manual perimetry is the most effective method for evaluating functional visual loss, and the presence of a central scotoma in a functional visual field strongly suggests that organic pathology is present. Neuropsychological and psychiatric inte...

The anesthesiologist clearly caused this patient’s vision loss by letting the mean arterial blood pressure drop below 60 mmHg for more than 5 min. This patient is now blind because the anesthesiologist let the patient’s hematocrit level decrease to less than 24% during the case. The person providing the patient’s anesthesia failed to avoid prolonged pressure on the eye, leading to the patient’s...

background: causes of blindness in children vary according to the region and socioeconomic development. within a given country these causes vary with passage of time. this reflects different levels of socioeconomic development and provision of healthcare services. this cross-sectional study was undertaken to estimate the major causes of severe visual impairment in children and specially prevent...

Acute monocular visual loss is an alarming symptom for the patient and the emergency physician. This article focuses on the presentation, diagnosis, and management of several causes of acute monocular visual loss with suggestions for when to emergently involve an ophthalmologist. Topics discussed include temporal arteritis, optic neuritis, retinal artery occlusion, retinal vein occlusion, retin...

Visual loss is a common symptom in neurologic emergencies. Although ocular causes of visual loss are usually identifi ed by eye care specialists, many patients appear in an emergency department or a neurologist’s offi ce when the ocular examination is normal or when it suggests a neurologic disorder. Indeed, many causes of monocular or binocular acute visual loss may reveal or precede a neurolo...

The anesthesiologist clearly caused this patient’s vision loss by letting the mean arterial blood pressure drop below 60 mmHg for more than 5 min. This patient is now blind because the anesthesiologist let the patient’s hematocrit level decrease to less than 24% during the case. The person providing the patient’s anesthesia failed to avoid prolonged pressure on the eye, leading to the patient’s...

Acute visual loss is a frightening experience, a common ophthalmic emergency, and a diagnostic challenge. In this review, the author focusses on the diagnosis of transient monocular blindness and visual loss due to infarction of the retina and/or the optic nerve-the ocular parallel of cerebral stroke.