Definition of Ophthalmoscopy

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Direct ophthalmoscopy is commonly used instrument of the eye most ophthalmologists and other medical professionals. doctor uses a tool the size of the battery in order to examine the eye. The instrument consists battery-powered lights and a concave mirror. examiner looking through a monocular eyepiece to the patient eye. This instrument has a rotating disk lens, which allows doctors to examine the patient's eye at different magnifications and depths. Doctor also use eye drops in the eye of the patient, so that students could increase the patient's eye view clear. ophthalmoscope is also used in several other areas of medicine such as hematology testing for cardiovascular disease or cardiology, neurology, medical genetics, rheumatology, neurosurgery, internal medicine, family medicine, pediatrics and geriatrics.

visualization of the retina is important in conditions such as the effects of diabetes, hypertension and glaucoma, and problems such as meningitis / encephalitis and brain tumors that can cause serious intracranial pressure. Hermann von Helmholtz was the first German physician-scientist to invent the ophthalmoscope of this valuable instrument in the year1851. Born on 31 August 1821 and died 8th rujna 1894th In the year 1850, he demonstrated the principle ophthalmoscope instrument using crude machine (glue, microscope glass plates and cardboard). With the help of the ophthalmoscope, he could place the eye of the observer on the path of a light beam entering and exiting the patient's eye, the retina, which enables the patient to see clearly.