Results 131 to 140 of about 155,998 (284)

Presbyacusis A Review [PDF]

open access: yes
Life expectancy of Humans is on the rise. World’s human population is aging rapidly. According to a report of US census Bureau nearly 24% of current world population is above the age of 50. This is a phenomenal number.
Balasubramanian, Thiagarajan
core  

Occult oncocytoma of the lacrimal sac

open access: yesSaudi Journal of Ophthalmology, 2014
Oncocytoma of the lacrimal sac is a rarely encountered clinical entity. We report the case of a 72-year-old female patient who was diagnosed to have bilateral nasolacrimal duct obstruction during a pre-cataract surgery screening. Subsequently, she underwent bilateral dacryocystectomy.
Akshay Gopinathan Nair   +4 more
openaire   +3 more sources

Sinonasal (Schneiderian) papilloma of the lacrimal sac

open access: yesProceedings, 2019
Sinonasal papillomas, also known as Schneiderian papillomas, are benign but infiltrative epithelial neoplasms that arise from ectodermally derived pseudostratified ciliated (or Schneiderian) epithelium that lines the sinonasal tract and nasal cavity.
J. Purser, R. Arffa, David W. Clark
semanticscholar   +1 more source

Boosting Soft Actor-Critic: Emphasizing Recent Experience without Forgetting the Past [PDF]

open access: yesarXiv, 2019
Soft Actor-Critic (SAC) is an off-policy actor-critic deep reinforcement learning (DRL) algorithm based on maximum entropy reinforcement learning. By combining off-policy updates with an actor-critic formulation, SAC achieves state-of-the-art performance on a range of continuous-action benchmark tasks, outperforming prior on-policy and off-policy ...
arxiv  

I-shaped incision with mucosal flap preserving technique in endoscopic dacrocystorhinostomy

open access: yesThe Egyptian Journal of Otolaryngology, 2018
Introduction Epiphora due to nasolacrimal duct obstruction accounts for ~3% of all general ophthalmology visits. Endoscopic dacryocystorhinostomy (DCR) has become accepted as a suitable treatment for patients with obstructions of the lacrimal system at ...
Mahmoud A. Hassan   +3 more
doaj   +1 more source

Case of primary diffuse large B-cell lymphoma of lacrimal sac in a Japanese patient

open access: yesClinical Ophthalmology, 2010
Fusae Kajita1, Toshiyuki Oshitari1, Jiro Yotsukura1, Kaoru Asanagi1, Takayuki Baba1, Takashi Kishimoto2, Shuichi Yamamoto11Department of Ophthalmology and Visual Science, 2Department of Molecular Pathology, Chiba University Graduate School of Medicine ...
Fusae Kajita   +3 more
doaj  

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