Raptors lack lower-field myopia
نویسندگان
چکیده
منابع مشابه
Raptors lack lower-field myopia
The presence of lower-field myopia (described in chickens, pigeons, quail and amphibians) allows these animals to keep the ground in focus while performing other visual tasks. A relationship has also been reported between the eye height and the degree of myopia observed. All of the animals reported in the literature to date are ground-foraging species. Using infrared neutralizing video retinosc...
متن کاملClinical Study of Lower-Lung Field Tuberculosis
Background: Lower lung field tuberculosis is atypical presentation of pulmonary tuberculosis which often causes confusion in diagnosis. HIV/AIDS epidemic has considerably increased its incidence. This study was designed to identify the prevalence and different clinical conditions of lung tuberculosis in conjunction with its common clinical and radiological presentations and its treatment. Metho...
متن کاملSustainability marketing myopia: the lack of sustainability communication persuasiveness
Sustainability communication in accommodation businesses tends to be factual and descriptive, as companies are concerned with product-based messages that focus on what they do; they appear not to understand the potential benefits of constructing messages that would influence consumers to behave more sustainably, which is effectively sustainability marketing myopia. An analysis of 1,835 sustaina...
متن کاملLOWER LUNG FIELD TUBERCULOSIS: AN ANALYSIS OF 146 CASES
Medical records of 146 patients with lower lung field tuberculosis were reviewed. There was a female to male ratio of5: 4. More than 75% of patients were under 35 years of age and average duration of symptoms before diagnosis was less than one month in 7% , between 1 -6 months the in 63 % and more than 12 months in 10% of our patients. PPD test was positive in 80% and direct sputum smear f...
متن کاملThe development of eye shape and the origin of lower field myopia in the guinea pig eye
In a variety of species, the refractive state of the eye differs in different parts of the visual field (VF) with greater myopia in the region that views the ground ("lower field myopia"). We studied the refraction and eye shape of the normal guinea pig eye to determine what feature(s) underlie this visual adaptation. Guinea pigs (n=67) were either newborn or raised under incandescent light unt...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Vision Research
سال: 1995
ISSN: 0042-6989
DOI: 10.1016/0042-6989(94)00240-m