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The Bullmastiff is an English breed of dog of mastiff type and large size, with a solid build and a short muzzle. It was developed as a guard dog in the nineteenth century by cross-breeding the English Mastiff with the now-extinct Old English Bulldog .
Optography is the process of viewing or retrieving an optogram, an image on the retina of the eye. A belief that the eye "recorded" the last image seen before death was widespread in the late 19th and early 20th centuries, and was a frequent plot device in fiction of the time, to the extent that police photographed the victims' eyes in several ...
Entoptic phenomena (from Ancient Greek ἐντός (entós) 'within' and ὀπτικός (optikós) 'visual') are visual effects whose source is within the human eye itself. (Occasionally, these are called entopic phenomena , which is probably a typographical mistake.)
Related: Bullmastiff Is Almost as Big as 'The Grinch' in Hilarious Holiday Photoshoot. The Bullmastiff took a long trek in the rain just to meet the big man. He even wore a special sweater — you ...
Bullmastiff. Bullmastiff. A powerful and protective dog who craves human companionship, the bullmastiff is a gentle giant who can be quite the cuddle bug! Docile and sweet with those they love ...
The size of the eyes in mammals is relatively small; in humans, eye weight is 1% of the mass of the head, while in a starling it reaches 15%. Nocturnal animals (for example, tarsiers ) and animals that live in open landscapes have larger eyes.
The Mastiff by Philip Reinagle, 1805. A mastiff is a large and powerful type of dog. [1] [2] Mastiffs are among the largest dogs, and typically have a short coat, a long low-set tail and large feet; the skull is large and bulky, the muzzle broad and short (brachycephalic) and the ears drooping and pendant-shaped.
Light falling in one eye affects the diameter of the pupils in both eyes. One can easily see this by looking at a friend's eye while he or she closes the other: when the other eye is open, the pupil of the first eye is small; when the other eye is closed, the pupil of the first eye is large. Accommodation and vergence. Accommodation is the ...