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Ophthalmoscopy, also called funduscopy, is a test that allows a health professional to see inside the fundus of the eye and other structures using an ophthalmoscope (or funduscope). It is done as part of an eye examination and may be done as part of a routine physical examination .
Scanning laser ophthalmoscopy developed as a method to view a distinct layer of the living eye at the microscopic level. The use of confocal methods to diminish extra light by focusing detected light through a small pinhole made possible the imaging of individual layers of the retina with greater distinction than ever before. [4]
Examples include optical microscopy, spectroscopy, endoscopy, scanning laser ophthalmoscopy, laser Doppler imaging, and optical coherence tomography. Because light is an electromagnetic wave, similar phenomena occur in X-rays, microwaves, and radio waves. Optical imaging systems may be divided into diffusive [1] [2] and ballistic imaging [3 ...
Image produced is two-dimensional, unlike 3D in indirect binocular ophthalmoscopy; Difficulty observing and assessing abnormalities (e.g. cotton wool spots) due to lack of depth appreciation on images; Less magnification and image clarity than indirect ophthalmoscopy; Conditions such as cataracts will reduce image clarity
Also ophthalmoscopy and gonioscopy examinations can also be performed through the slit lamp when combined with special lenses. These exams help to see the specific structures, such as the retina and optic nerve, which is at the back of the eye, and the drainage system that controls the intraocular pressure, which is in the angle formed between ...
System: Eye and visual system: Significant diseases: Cataract, retinal disease (including diabetic retinopathy and other types of retinopathy), glaucoma, corneal disease, eyelid and orbital disorders, uveitis, strabismus and disorders of the ocular muscles, ocular neoplasms (malignancies, or cancers, and benign eye tumors), neuro-ophthalmologic disorders (including disorders of the optic nerve)
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