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Ophthalmology In Medieval Islam
Ophthalmology was one of the foremost branches in medieval Islamic medicine. The oculist or ''kahhal'' (کحال), a somewhat despised professional in Galen's time, was an honored member of the medical profession by the Abbasid period, occupying a unique place in royal households. Medieval Islamic scientists (unlike their classical predecessors) considered it normal to combine theory and practice, including the crafting of precise instruments, and therefore found it natural to combine the study of the eye with the practical application of that knowledge. The specialized instruments used in their operations ran into scores. Innovations such as the " injection syringe", a hollow needle, invented by Ammar ibn Ali of Mosul, which was used for the extraction by suction of soft cataracts, were quite common. Muslim physicians described such conditions as pannus, glaucoma (described as "headache of the pupil"), phlyctenulae, and operations on the conjunctiva. They were the first to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cheshm Manuscript
Chesham (, also Romanized as Cheshām; also known as Cheshm, Cheshom, and Chisham) is a village that is located in the Mehr Rural District of Bashtin District, in the Davarzan County, of the Razavi Khorasan Province in Iran Iran, officially the Islamic Republic of Iran (IRI) and also known as Persia, is a country in West Asia. It borders Iraq to the west, Turkey, Azerbaijan, and Armenia to the northwest, the Caspian Sea to the north, Turkmenistan to the nort .... At the 2006 census, its population was 1,535, in 401 families. References Populated places in Davarzan County {{Davarzan-geo-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cataract
A cataract is a cloudy area in the lens (anatomy), lens of the eye that leads to a visual impairment, decrease in vision of the eye. Cataracts often develop slowly and can affect one or both eyes. Symptoms may include faded colours, blurry or double vision, halos around light, trouble with bright lights, and Nyctalopia, difficulty seeing at night. This may result in trouble driving, reading, or recognizing faces. Poor vision caused by cataracts may also result in an increased risk of Falling (accident), falling and Depression (mood), depression. Cataracts cause 51% of all cases of blindness and 33% of visual impairment worldwide. Cataracts are most commonly due to senescence, aging but may also occur due to Trauma (medicine), trauma or radiation exposure, be congenital cataract, present from birth, or occur following eye surgery for other problems. Risk factors include diabetes mellitus, diabetes, longstanding use of corticosteroid medication, smoking tobacco, prolonged exposu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arabic Language
Arabic (, , or , ) is a Central Semitic languages, Central Semitic language of the Afroasiatic languages, Afroasiatic language family spoken primarily in the Arab world. The International Organization for Standardization (ISO) assigns language codes to 32 varieties of Arabic, including its standard form of Literary Arabic, known as Modern Standard Arabic, which is derived from Classical Arabic. This distinction exists primarily among Western linguists; Arabic speakers themselves generally do not distinguish between Modern Standard Arabic and Classical Arabic, but rather refer to both as ( "the eloquent Arabic") or simply ' (). Arabic is the List of languages by the number of countries in which they are recognized as an official language, third most widespread official language after English and French, one of six official languages of the United Nations, and the Sacred language, liturgical language of Islam. Arabic is widely taught in schools and universities around the wo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sense
A sense is a biological system used by an organism for sensation, the process of gathering information about the surroundings through the detection of Stimulus (physiology), stimuli. Although, in some cultures, five human senses were traditionally identified as such (namely Visual perception, sight, Olfaction, smell, Somatosensory system, touch, taste, and hearing), many more are now recognized. Senses used by non-human organisms are even greater in variety and number. During sensation, sense organs collect various stimuli (such as a sound or smell) for Transduction (physiology), transduction, meaning transformation into a form that can be understood by the brain. Sensation and perception are fundamental to nearly every aspect of an organism's cognition, behavior and thought. In organisms, a sensory organ consists of a group of interrelated Sensory neuron, sensory cells that respond to a specific type of physical stimulus. Via Cranial nerves, cranial and spinal nerves (nerves ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The Canon Of Medicine
''The Canon of Medicine'' () is an encyclopedia of medicine in five books compiled by Avicenna (, ibn Sina) and completed in 1025. It is among the most influential works of its time. It presents an overview of the contemporary medical knowledge of the Islamic world, which had been influenced by earlier traditions including Greco-Roman medicine (particularly Galen), Persian medicine, Chinese medicine and Indian medicine. Its translation from Arabic to Latin in 12th century Toledo greatly influenced the development of medieval medicine. It became the standard textbook for teaching in European universities into the early modern period. ''The Canon of Medicine'' remained a medical authority for centuries. It set the standards for medicine in medieval Europe and the Islamic world and was used as a standard medical textbook through the 18th century in Europe. It is an important text in Unani medicine, a form of traditional medicine practiced in India. Title The English title ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Avicenna
Ibn Sina ( – 22 June 1037), commonly known in the West as Avicenna ( ), was a preeminent philosopher and physician of the Muslim world, flourishing during the Islamic Golden Age, serving in the courts of various Iranian peoples, Iranian rulers. He is often described as the father of early modern medicine. His philosophy was of the Peripatetic school derived from Aristotelianism. His most famous works are ''The Book of Healing'', a philosophical and scientific encyclopedia, and ''The Canon of Medicine'', a medical encyclopedia which became a standard medical text at many medieval European University, universities and remained in use as late as 1650. Besides philosophy and medicine, Avicenna's corpus includes writings on Astronomy in medieval Islam, astronomy, Alchemy and chemistry in medieval Islam, alchemy, Geography and cartography in medieval Islam, geography and geology, Psychology in medieval Islam, psychology, Islamic theology, Logic in Islamic philosophy, logic, Mat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oxford University Press
Oxford University Press (OUP) is the publishing house of the University of Oxford. It is the largest university press in the world. Its first book was printed in Oxford in 1478, with the Press officially granted the legal right to print books by decree in 1586. It is the second-oldest university press after Cambridge University Press, which was founded in 1534. It is a department of the University of Oxford. It is governed by a group of 15 academics, the Delegates of the Press, appointed by the Vice Chancellor, vice-chancellor of the University of Oxford. The Delegates of the Press are led by the Secretary to the Delegates, who serves as OUP's chief executive and as its major representative on other university bodies. Oxford University Press has had a similar governance structure since the 17th century. The press is located on Walton Street, Oxford, Walton Street, Oxford, opposite Somerville College, Oxford, Somerville College, in the inner suburb of Jericho, Oxford, Jericho. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tiberias
Tiberias ( ; , ; ) is a city on the western shore of the Sea of Galilee in northern Israel. A major Jewish center during Late Antiquity, it has been considered since the 16th century one of Judaism's Four Holy Cities, along with Jerusalem, Hebron, and Safed. In , it had a population of . Tiberias was founded around 20 CE by Herod Antipas and was named after Roman emperor Tiberius. It became a major political and religious hub of the Jews in the Land of Israel after the destruction of Jerusalem and the desolation of Judea during the Jewish–Roman wars. From the time of the second through the tenth centuries CE, Tiberias was the largest Jewish city in Galilee, and much of the Mishna and the Jerusalem Talmud were compiled there. Tiberias flourished during the Early Muslim period, when it served as the capital of Jund al-Urdunn and became a multi-cultural trading center.Hirschfeld, Y. (2007). Post-Roman Tiberias: between East and West. ''Post-Roman Towns, Trade and Settle ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sclerosis (medicine)
Sclerosis () is the stiffening of a tissue or anatomical feature, usually caused by a replacement of the normal organ-specific tissue with connective tissue. The structure may be said to have undergone sclerotic changes or display sclerotic lesions, which refers to the process of sclerosis. Common medical conditions whose pathology involves sclerosis include: * Amyotrophic lateral sclerosis—also known as Lou Gehrig's disease or motor neurone disease—a progressive, incurable, usually fatal disease of motor neurons. * Atherosclerosis, a deposit of fatty materials, such as cholesterol, in the arteries which causes hardening. * Focal segmental glomerulosclerosis is a disease that attacks the kidney's filtering system ( glomeruli) causing serious scarring and thus a cause of nephrotic syndrome in children and adolescents, as well as an important cause of kidney failure in adults. * Hippocampal sclerosis, a brain damage often seen in individuals with temporal lobe epilepsy ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Suction
Suction is the day-to-day term for the movement of gases or liquids along a pressure gradient with the implication that the movement occurs because the lower pressure pulls the gas or liquid. However, the forces acting in this case do not originate from just the lower pressure side, but also from the side of the higher pressure, as a reaction to the pressure difference. When the pressure in one part of a physical system is reduced relative to another, the fluid or gas in the higher pressure region will exert a force relative to the region of lowered pressure, referred to as pressure-gradient force. If all gas or fluid is removed the result is a perfect vacuum in which the pressure is zero. Hence, no negative pressure forces can be generated. Accordingly, from a physics point of view, the objects are not pulled but pushed. Examples Pressure reduction may be static, as in a piston and cylinder arrangement, or dynamic, as in the case of a vacuum cleaner when air flow result ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ammar Al-Mawsili
Abu al-Qasim Ammar ibn Ali al-Mawsili () was an important eleventh-century Arab Muslim ophthalmologist. Despite little being known about his life or education, he has been described as the most original of all Arab oculists. As his '' nisba'' indicates, Ammar was born in Mosul, and later moved to Egypt, where he settled during the reign of the Fatimid caliph al-Hakim bi-Amr Allah, to whom he wrote his only composition, ''Kitāb al-muntakhab fī ilm al-ayn'' (“The book of choice in ophthalmology”). He is mostly known for the invention of a hypodermic syringe, which he used to remove cataracts, a major cause of blindness. Regarding his invention he wrote the following: He was a contemporary of the famous oculist Ali ibn Isa. See also *Ophthalmology in medieval Islam Ophthalmology was one of the foremost branches in medieval Islamic medicine. The oculist or ''kahhal'' (کحال), a somewhat despised professional in Galen's time, was an honored member of the medical profe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Iraq
Iraq, officially the Republic of Iraq, is a country in West Asia. It is bordered by Saudi Arabia to Iraq–Saudi Arabia border, the south, Turkey to Iraq–Turkey border, the north, Iran to Iran–Iraq border, the east, the Persian Gulf and Kuwait to the Iraq–Kuwait border, southeast, Jordan to Iraq–Jordan border, the southwest, and Syria to Iraq–Syria border, the west. The country covers an area of and has Demographics of Iraq, a population of over 46 million, making it the List of countries by area, 58th largest country by area and the List of countries by population, 31st most populous in the world. Baghdad, home to over 8 million people, is the capital city and the List of largest cities of Iraq, largest in the country. Starting in the 6th millennium BC, the fertile plains between Iraq's Tigris and Euphrates rivers, referred to as Mesopotamia, fostered the rise of early cities, civilisations, and empires including Sumer, Akkadian Empire, Akkad, and Assyria. Known ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
