The use of digital versus film photography has been a topic of debate since the invention of digital cameras towards the end of the 20th Century. Both digital and film photography have advantages and drawbacks. Twenty-first century photography is dominated by digital operation, but the older photochemical methods continue to serve many users and applications. Please join us for this 4th present...

background : improvement of facial beauty is a major reason why patients with dentofacial problems opt for orthognathic surgery. people are eventually judged by their facial appearance by themselves, their friends & family and even surgeons. with the recent developments in technology, we now have a 3d structure that can build and analyze 3d images before & after surgery and review the extent of...

l'rircuiar polarizers have been used v for difrerent ophthalmic applications, such as ophthalmoscopy,' lens photography,' and corneai endothelial microscopy.3 To the best of our knowledge, circular polarizers have not been applied to fundus photography. A linear polarizer polarizes light in a plane. In fundus photography, it has been used to show the birefringence of the nerve fiber layero and ...

A general exposition of the scientific potentialities and analytic framework of space photography is presented using the photography of Mars from flybys and orbiters as the principal example. Space photography is treated here as a communication process in which planetary scene information is communicated to the eye-brain receiver of earth-based interpreters. The salient parameters of this proce...

AIMS To assess the effects of (1) mydriasis and (2) single versus three field photography on screening for diabetic eye disease using digital photography METHOD Slit lamp examination findings were compared to digital fundal photographs for the detection of any retinopathy and for referable retinopathy in 398 patients (794 eyes). A Topcon TRC-NW6S digital non-mydriatic fundus camera was used. ...

In her article "Photography in Wang's Chang Hen Ge (Song of Everlasting Sorrow)" Hong Zeng analyzes Wang's novel in the context of imagery following the theoretical framework of photography as proposed in the work of Xun Lu and Roland Barthes. According to both Xun Lu and Roland Barthes, the spectacle of photography is tied to the notion of the "the theater of the dead." Further, according to W...

This is a prospective study to compare the effectiveness of non-mydriatic photography with that of direct ophthalmoscopy in screening for diabetic retinopathy in 153 patients attending a hospital clinic in Hong Kong. Retinal photography under physiological mydriasis and direct ophthalmoscopy of patients with dilated pupils were compared with the ophthalmologists' examination results as a refere...

OBJECTIVE To compare off-the-shelf digital imaging equipment with a standard single lens reflex 35-mm endoscopic camera in a busy pediatric ears, nose, and throat setting. DESIGN Two digital cameras with an endoscope adapter and a step-down ring were evaluated to obtain optimal settings for digital endoscopic photography. The equipment was used in various clinical and surgical settings to inc...

INTRODUCTION Photographs are symbolic of memories and with the advent of digital photography it has become much easier to collect them in a second in a more comprehensive and qualitative manner. Technological advancements in the field of digital photography have revolutionized the concept of photography as a powerful medium of expression and communication. It also offers a spectrum of perceptio...