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USC Eye Institute
The USC Gayle and Edward Roski Eye Institute, part of Keck School of Medicine of USC, is a center for ophthalmic care, research and education located in downtown Los Angeles, California. It has subsidiary clinics in Pasadena, Beverly Hills and Arcadia. It was allied with the Doheny Eye Institute from 1975 until 2013, when Doheny allied with University of California Los Angeles. History Ophthalmology at the Keck School of Medicine of USC attained departmental status in 1974 and opened its first building on the USC Health Sciences Campus in 1975. Although an ophthalmology residency program existed at USC prior to that time, there were no full-time faculty members in the department. Stephen J. Ryan was recruited in 1974 and served as the department’s first professor and chairman through 1995. In 1975, the Doheny Eye Institute allied with USC's Ophthalmology department under Ryan and relocated to the USC campus. The alliance "provided Dr. Ryan the opportunity to recruit a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ophthalmology
Ophthalmology ( ) is a surgical subspecialty within medicine that deals with the diagnosis and treatment of eye disorders. An ophthalmologist is a physician who undergoes subspecialty training in medical and surgical eye care. Following a medical degree, a doctor specialising in ophthalmology must pursue additional postgraduate residency training specific to that field. This may include a one-year integrated internship that involves more general medical training in other fields such as internal medicine or general surgery. Following residency, additional specialty training (or fellowship) may be sought in a particular aspect of eye pathology. Ophthalmologists prescribe medications to treat eye diseases, implement laser therapy, and perform surgery when needed. Ophthalmologists provide both primary and specialty eye care - medical and surgical. Most ophthalmologists participate in academic research on eye diseases at some point in their training and many include research as p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Carmen A
''Carmen'' () is an opera in four acts by the French composer Georges Bizet. The libretto was written by Henri Meilhac and Ludovic Halévy, based on the novella of the same title by Prosper Mérimée. The opera was first performed by the Opéra-Comique in Paris on 3 March 1875, where its breaking of conventions shocked and scandalised its first audiences. Bizet died suddenly after the 33rd performance, unaware that the work would achieve international acclaim within the following ten years. ''Carmen'' has since become one of the most popular and frequently performed operas in the classical canon; the " Habanera" from act 1 and the "Toreador Song" from act 2 are among the best known of all operatic arias. The opera is written in the genre of ''opéra comique'' with musical numbers separated by dialogue. It is set in southern Spain and tells the story of the downfall of Don José, a naïve soldier who is seduced by the wiles of the fiery gypsy Carmen. José abandons his chil ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Macular Degeneration
Macular degeneration, also known as age-related macular degeneration (AMD or ARMD), is a medical condition which may result in blurred or no vision in the center of the visual field. Early on there are often no symptoms. Over time, however, some people experience a gradual worsening of vision that may affect one or both eyes. While it does not result in complete blindness, loss of central vision can make it hard to recognize faces, drive, read, or perform other activities of daily life. Visual hallucinations may also occur. Macular degeneration typically occurs in older people. Genetic factors and smoking also play a role. It is due to damage to the macula of the retina. Diagnosis is by a complete eye exam. The severity is divided into early, intermediate, and late types. The late type is additionally divided into "dry" and "wet" forms with the dry form making up 90% of cases. The difference between the two forms is the change of macula. Those with dry form AMD have drusen, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Embryonic Stem Cell
Embryonic stem cells (ESCs) are pluripotent stem cells derived from the inner cell mass of a blastocyst, an early-stage pre- implantation embryo. Human embryos reach the blastocyst stage 4–5 days post fertilization, at which time they consist of 50–150 cells. Isolating the inner cell mass (embryoblast) using immunosurgery results in destruction of the blastocyst, a process which raises ethical issues, including whether or not embryos at the pre-implantation stage have the same moral considerations as embryos in the post-implantation stage of development. Researchers are currently focusing heavily on the therapeutic potential of embryonic stem cells, with clinical use being the goal for many laboratories. Potential uses include the treatment of diabetes and heart disease. The cells are being studied to be used as clinical therapies, models of genetic disorders, and cellular/DNA repair. However, adverse effects in the research and clinical processes such as tumors and un ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
California Institute For Regenerative Medicine
The California Institute for Regenerative Medicine (CIRM) was created in 2004 after 59% of California voters approved California Proposition 71: the Research and Cures Initiative, which allocated $3 billion to fund stem cell research in California. Institutes dedicated to stem cell research and training exist at Sanford Consortium, University of California, Santa Cruz, Stanford University, University of California Davis, University of California Irvine, University of California San Francisco, University of California Los Angeles and University of Southern California. Five “Alpha Stem Cell Clinics have also been established to lead clinical trials for stem cell therapies at City of Hope, University of California San Diego, University of California San Francisco, University of California Davis and a joint clinic at University of California Los Angeles and University of California Irvine. History CIRM was established via California Proposition 71 (2004). However, its implementatio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Baerveldt Glaucoma Implant
A glaucoma valve is a medical shunt used in the treatment of glaucoma to reduce the eye's intraocular pressure (IOP). Mechanism The device works by bypassing the trabecular meshwork and redirecting the outflow of aqueous humour through a small tube into an outlet chamber or bleb. The IOP generally decreases from around 33 to 10 mmHg by removing aqueous on average 2.75 microliters/min. Types The first glaucoma drainage implant was developed in 1966. Following on the success of the Molteno implant, several varieties of device have been developed from the original, the Baerveldt tube shunt, or the valved implants, such as the Ahmed glaucoma valve implant and the later generation pressure ridge Molteno implants. These are indicated for glaucoma patients not responding to maximal medical therapy, with previous failed guarded filtering surgery (trabeculectomy). The flow tube is inserted into the anterior chamber of the eye and the plate is implanted underneath the conjunctiva to allo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Glaucoma
Glaucoma is a group of eye diseases that result in damage to the optic nerve (or retina) and cause vision loss. The most common type is open-angle (wide angle, chronic simple) glaucoma, in which the drainage angle for fluid within the eye remains open, with less common types including closed-angle (narrow angle, acute congestive) glaucoma and normal-tension glaucoma. Open-angle glaucoma develops slowly over time and there is no pain. Peripheral vision may begin to decrease, followed by central vision, resulting in blindness if not treated. Closed-angle glaucoma can present gradually or suddenly. The sudden presentation may involve severe eye pain, blurred vision, mid-dilated pupil, redness of the eye, and nausea. Vision loss from glaucoma, once it has occurred, is permanent. Eyes affected by glaucoma are referred to as being glaucomatous. Risk factors for glaucoma include increasing age, high pressure in the eye, a family history of glaucoma, and use of steroid medicatio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
George Baerveldt
George Baerveldt, M.B.Ch.B., was a Professor in the Department of Ophthalmology at the University of California, Irvine. Baerveldt developed and held four patents related to the Baerveldt Glaucoma Implant, a device for the drainage of excess fluid from the eye in complex cases of glaucoma. Professor Baerveldt was also one of the inventors of the Trabectome The Trabectome is a surgical device that can be used for ab interno trabeculotomy, a minimally invasive glaucoma surgery for the surgical management of adult, juvenile and infantile glaucoma. The trabecular meshwork is a major site of resistance ..., a device for minimally-invasive glaucoma surgery. Dr. Baerveldt died on April 13, 2021, while recuperating from vascular surgery. References External links "George Baerveldt, M.D." UC Irvine Department of Ophthalmology. "Trabectome" Manufacturer's Website. "Baerveldt Glaucoma Implant" Manufacturer's Website. Living people American ophthalmologists University of Californi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Miriam Karmel
Miriam Karmel is an American writer. Her first novel, '' Being Esther'' (2013), is one of only a few involving characters in their eighties. Karmel's writing has appeared in numerous publications including Bellevue Literary Review, ''The Talking Stick'', ''Pearl'', ''Dust & Fire'', ''Passager Books'', ''Jewish Women's Literary Annual'', and ''Water~Stone Review''. She is the recipient of Minnesota Monthly's 2002 Tamarack Award, the Kate Braverman Short Story Prize, and the Arthur Edelstein Prize for Short Fiction. Her story ''The King of Marvin Gardens'' was anthologized in Milkweed Editions' ''Fiction on a Stick''. Life Karmel was born in Chicago, Illinois. She earned a degree in history at the University of Wisconsin-Madison, a master's in American labor history from the University of Rochester, and a master's in journalism from University of North Carolina at Chapel Hill that launched her journalism career. She moved to Minnesota in 1978. Her primary focus is on short stories, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
University Of Southern California
, mottoeng = "Let whoever earns the palm bear it" , religious_affiliation = Nonsectarian—historically Methodist , established = , accreditation = WSCUC , type = Private research university , academic_affiliations = , endowment = $8.12 billion (2021)As of June 30, 2021. , budget = $6.2 billion (2020–21) , president = Carol Folt , students = 49,318 (2021) , undergrad = 20,790 (2021) , postgrad = 28,528 (2021) , faculty = 4,706 (2021) , administrative_staff = 16,614 (2021) , city = , state = , country = United States , campus = Large City University Park campus, [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Retinal Prosthesis
A visual prosthesis, often referred to as a bionic eye, is an experimental visual device intended to restore functional vision in those with partial or total blindness. Many devices have been developed, usually modeled on the cochlear implant or bionic ear devices, a type of neural prosthesis in use since the mid-1980s. The idea of using electrical current (e.g., electrically stimulating the retina or the visual cortex) to provide sight dates back to the 18th century, discussed by Benjamin Franklin, Tiberius Cavallo, and Charles LeRoy. Biological considerations The ability to give sight to a blind person via a bionic eye depends on the circumstances surrounding the loss of sight. For retinal prostheses, which are the most prevalent visual prosthetic under development (due to ease of access to the retina among other considerations), patients with vision loss due to degeneration of photoreceptors (retinitis pigmentosa, choroideremia, geographic atrophy macular degeneration) are ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Optical Coherence Tomography
Optical coherence tomography (OCT) is an imaging technique that uses low-coherence light to capture micrometer-resolution, two- and three-dimensional images from within optical scattering media (e.g., biological tissue). It is used for medical imaging and industrial nondestructive testing (NDT). Optical coherence tomography is based on low-coherence interferometry, typically employing near-infrared light. The use of relatively long wavelength light allows it to penetrate into the scattering medium. Confocal microscopy, another optical technique, typically penetrates less deeply into the sample but with higher resolution. Depending on the properties of the light source (superluminescent diodes, ultrashort pulsed lasers, and supercontinuum lasers have been employed), optical coherence tomography has achieved sub-micrometer resolution (with very wide-spectrum sources emitting over a ~100 nm wavelength range). Optical coherence tomography is one of a class of optical tom ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
