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Sarah C Boyle, Andrew M Earle, Joseph W LaBrie, Kayla Ballou
Studies examining representations of college drinking on social media have almost exclusively focused on Facebook. However, recent research suggests college students may be more influenced by peers' alcohol-related posts on Instagram and Snapchat, two image-based platforms popular among this demographic. One potential explanation for this differential influence is that qualitative distinctions in the types of alcohol-related content posted by students on these three platforms may exist. Informed by undergraduate focus groups, this study examined the hypothesis that, of the three platforms, students tend to use Instagram most often for photos glamourizing drinking and Snapchat for incriminating photos of alcohol misuse and negative consequences...
October 19, 2016: Addictive Behaviors
Yao Ning, Zeng Qing, Wang Qing, Li Li
BACKGROUND: Ordinal severity scales illustrated by photographs have been widely developed to help dermatologists evaluating skin problems or improvements. Numerous scales have been published and none of them were used for assessing facial pores. METHODS: A five-point photographic scale of facial pores was formulated and photographs of pores on nasal ala from 128 female volunteers were acquired. Five dermatologists with similar experiences rated the 128 photographs independently using the reference photographs...
October 24, 2016: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
Stela Vujosevic, Tommaso Torresin, Silvia Bini, Enrica Convento, Elisabetta Pilotto, Raffaele Parrozzani, Edoardo Midena
PURPOSE: To evaluate changes of specific retinal imaging biomarkers [intraretinal hyper-reflective retinal spots: HRS ; subfoveal neuroretinal detachment: SND; and increased foveal autofluorescence: IFAF after intravitreal steroid or anti-vascular endothelial growth factor treatment in diabetic macular oedema (DME)] as possible indicators of retinal inflammatory condition. METHODS: Retrospective analysis of images and clinical charts of 49 eyes (49 patients) with DME treated with intravitreal dexamethasone (dexamethasone, 23 eyes) or intravitreal ranibizumab (ranibizumab, 26 eyes)...
October 24, 2016: Acta Ophthalmologica
Amjad Al Taki, Mohammed Khalesi, Muftah Shagmani, Islam Yahia, Fatma Al Kaddah
Objective. The current investigation was proposed to determine the impression of trained dental professionals and laypeople towards the modified smile esthetics. Materials and Methods. Twenty-six images were randomized in a survey and graded according to attractiveness by the orthodontists, general dentists, and laypeople. Photographs of gingival display, midline diastema, central incisor crown length, and lateral incisor crown width were manipulated with five minor changes in each. For smile arc and buccal corridor, two major changes were incorporated besides the ideal photograph...
2016: International Journal of Dentistry
Kenichi Kokubo, Nobutada Katori, Kengo Hayashi, Jun Sugawara, Akiko Fujii, Jiro Maegawa
Although we commonly observe eyebrow drooping during and after blepharoptosis surgery, it may not occur in some cases. After levator resection was performed in 47 patients (84 eyelids) with blepharoptosis, the eyebrow heights at the medial canthus, the center of the pupil, and the lateral canthus were measured using scanned photographs obtained preoperatively and 3 months postoperatively. In the 84 eyelids, after levator resection, the eyebrow position was lowered at the medial canthus in 76 patients (90%), at the center of the pupil in 75 (89%), and at the lateral canthus in 76 (90%)...
October 5, 2016: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
Lars O M Rothkegel, Hans A Trukenbrod, Heiko H Schütt, Felix A Wichmann, Ralf Engbert
During scene perception our eyes generate complex sequences of fixations. Predictors of fixation locations are bottom-up factors such as luminance contrast, top-down factors like viewing instruction, and systematic biases e.g. the tendency to place fixations near the center of an image. However, comparatively little is known about the dynamics of scanpaths after experimental manipulation of specific fixation locations. Here we investigate the influence of initial fixation position on subsequent eye-movement behavior on an image...
October 20, 2016: Vision Research
Pedro H T Q de Almeida, Joy C MacDermid, Tatiana Barcelos Pontes, Clarissa Cardoso Dos Santos-Couto-Paz, Licia Maria H da Mota, João Paulo C Matheus
STUDY DESIGN: Cross-sectional descriptive study. INTRODUCTION: Osteoarthritis (OA) is the most prevalent musculoskeletal disease in the adult and older adult populations. The use of orthoses to stabilize the thumb's articular complex is one of the most common conservative management strategies. Despite substantial research about this topic, there is insufficient evidence about the optimal use of orthoses to inform clinical practice, contributing to practice variations within and across health professionals...
October 19, 2016: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
Prem N Ramkumar, Ton La, Evan Fisch, Peter D Fabricant, Alexander E White, Kristofer J Jones, Samuel A Taylor
PURPOSE: The purpose of this observational study of social media in sports medicine was to investigate and analyze the presence and shared content of anterior cruciate ligament (ACL) patients, sports surgeons, and top orthopaedic hospitals on popular social media streams. METHODS: A search of 2 public domains (Instagram and Twitter) was performed over a 6-month period. ACL surgery ("#aclsurgery") was selected for the Instagram-based patient analysis after exclusion of veterinary ACL operations...
October 19, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
G Bearzi, S Bonizzoni, N L Santostasi, N B Furey, L Eddy, V D Valavanis, O Gimenez
The Gulf of Corinth is a 2400-km(2) semi-enclosed inland system (a mediterraneus) in central Greece. Its continental shelf areas, steep bottom relief, and waters up to 500-900m deep offer suitable habitat to neritic and pelagic species. We used photographic capture-recapture, distribution modelling, and direct observations to investigate the abundance, status, habitat preferences, movements, and group size of four odontocete species regularly observed in the Gulf, based on five years (2011-2015) of survey effort from small boats...
2016: Advances in Marine Biology
A Azzellino, S Airoldi, S Gaspari, C Lanfredi, A Moulins, M Podestà, M Rosso, P Tepsich
This paper provides a summary of 25 years of research on Risso's dolphins (Grampus griseus) in the western Ligurian Sea. Seasonal variations in abundance, distribution and habitat use were observed. Photographic mark-recapture methods provided a population size estimate for the period from 1998 to 2012, of about 100 individuals (95% CI of 60-220 individuals). The same methods detected a decline in population size from an average of about 120-150 from 2000 to 2005, to an average of 70-100 during 2010 to 2014...
2016: Advances in Marine Biology
Gabriëlle H S Buitendijk, Ada J Hooghart, Corina Brussee, Paulus T V M de Jong, Albert Hofman, Johannes R Vingerling, Caroline C W Klaver
Purpose: Reticular pseudodrusen (RPD) are considered to be a distinct feature in AMD. Population studies have studied the epidemiology of RPD using standard color fundus photographs (CFP). However, recent studies have shown that RPD are better imaged using near-infrared (NIR) imaging. We studied the epidemiology of RPD in a large population-based study using NIR and CFP. Methods: Participants aged 65+ years from the Rotterdam Study underwent ophthalmologic examination including NIR and CFP...
October 1, 2016: Investigative Ophthalmology & Visual Science
Feifei Xiao, Guoshuai Cai, Heping Zhang
In early 2015, the debate of blue-black and white-gold color perception from "the dress" became an overnight internet phenomenon. According to the vote from the online social network Twitter, more people observed white-gold colors than those who observed blue-black colors. Biological explanations have been proposed by neurologist and other scientists, most of which mainly focus on the bias of color perception from visual cortex assuming different illuminants as backgrounds. The goal of this study was to investigate the genetic reason that might be underlying this phenomenon...
2016: PloS One
Maria Eduarda Assad Duarte, Ricardo Martins Machado, Andrea Fonseca Jardim da Motta, José Nelson Mucha, Alexandre Trindade Motta
OBJECTIVE: This study aimed to evaluate how different forms of incisal embrasures influence the esthetic perception of the smile, the preferences of each group of evaluators, and the influence of gingival display. MATERIAL AND METHODS: Two photographs of a broad male and female smiles were digitally manipulated to remove imperfections and asymmetries. A second manipulation was performed on the four maxillary incisors, creating 3 different forms of incisal embrasures: rounded, semi-rounded and squared...
October 21, 2016: Journal of Esthetic and Restorative Dentistry
Severiano R Silva, Rita Payan-Carreira, Cristina M Guedes, Simão Coelho, Ana Sofia Santos
BACKGROUND: Obesity and emaciation in horses have major detrimental effects on health and morbidity, reproductive failure, work performance or carcass quality. Scoring is a current management tool used to assess and monitor equine body condition due to its simplicity and low cost. However, accurate assessment of obesity remains a challenge, even though a number of approaches have been tested, particularly for research purposes on adiposity. Their merit is usually validated by comparison with standard scoring methods...
October 20, 2016: Acta Veterinaria Scandinavica
Matthieu Delion, Mickael Dinomais, Philippe Mercier
Surgery of the posterior fossa represents a technical challenge because of the proximity of the vessels of the cerebellum. If the arterial vascularization of the cerebellum is well known, the main arterial variations and the whole venous vascularization are probably under recognized. We describe the vascular organization and the main variations through photographs of colored latex perfused brains, obtained with a surgical microscope. The arterial vascularization of the cerebellum is based on three arteries which all originate from the vertebrobasilar system: the superior cerebellar artery (SCA), the anterior and inferior cerebellar artery (AICA), and the posterior and inferior cerebellar artery (PICA)...
October 20, 2016: Cerebellum
Monique Narciso Alba, Marli Gerenutti, Valquíria Miwa Hanai Yoshida, Denise Grotto
Acne vulgaris treatments usually cause sensitivity, teratogenicity and bacterial resistance. Investigations of others therapeutic techniques, such as phototherapy, is highly relevant. Thus, we compared the effectiveness of two Acne vulgaris treatments in adolescents: peeling with salicylic acid and phototherapy. Teens were randomly divided in: group I, treatment with salicylic acid peels (10 %) and group II, treatment with phototherapy (blue LED and red laser lights). Photographs were taken before and after ten sessions of each treatment, carried out weekly, and compared...
October 20, 2016: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
Jin Ok Baek, Hoon Hur, Ha Ryeong Ryu, Jeong Soo Kim, Kyung Real Lee, Yu Ri Kim, Kwang Ho Choi
Various lasers have been used for the treatment of erythematotelangiectatic rosacea (ETR) that does not respond to systemic or topical therapy. The pulsed dye lasers (PDLs) are an effective option for ETR, and the purpuragenic fluence proved to be superior until now. Given that purpura and subsequent possible postinflammatory hyperpigmentation (PIH) are occasionally unbearable in some patients, and several studies using the low nonpurpuragenic fluence were reported. To deliver the sufficient high fluence of a PDL without generating purpura, we designed the fractionation of high fluence using five passes and longer pulse duration (6 milliseconds) of a PDL in succession...
October 20, 2016: Journal of Cosmetic Dermatology
H Borgmann, M Rodríguez Socarrás, J Salem, I Tsaur, J Gomez Rivas, E Barret, L Tortolero
PURPOSE: To assess the feasibility, safety and usefulness of augmented reality-assisted urological surgery using smartglass (SG). METHODS: Seven urological surgeons (3 board urologists and 4 urology residents) performed augmented reality-assisted urological surgery using SG for 10 different types of operations and a total of 31 urological operations. Feasibility was assessed using technical metadata (number of photographs taken/number of videos recorded/video time recorded) and structured interviews with the urologists on their use of SG...
October 19, 2016: World Journal of Urology
Ali Ebrahimi, Mohammad Hosein Kalantar Motamedi, Nasrin Nejadsarvari, Azin Ebrahimi, Hamid Reza Rasouli
OBJECTIVE: A variety of nasal skin reconstruction methods are available to meet the esthetic patient's needs. In this article, we review some of modifications of these procedures and share our experience in reconstruction of different parts of the nasal skin following skin tumor ablation. PATIENTS AND METHODS: From January 2010 to January 2014, 171 patients underwent nasal skin reconstruction after excising cancerous lesions of the involved nasal skin. The patient's history, pre- and post-operation photographs, and the surgery data were collected and assessed...
July 2016: Journal of Cutaneous and Aesthetic Surgery
Marrie van der Mooren, Robert Rosén, Luuk Franssen, Linda Lundström, Patricia Piers
Purpose: To quantify the effect of induced stray light on halo size, luminance threshold, and contrast sensitivity. Methods: Retinal stray light was induced in five healthy subjects using different photographic filters. The stray light induced ranged from levels observed in intraocular lenses (IOLs) with glistenings (low) to cataract level (high). The visual impact was measured for halo size, luminance detection threshold, and contrast sensitivity with and without a glare source...
October 1, 2016: Investigative Ophthalmology & Visual Science
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