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Extended ophthalmoscopy is a comprehensive and detailed examination of the internal structures of the eye, specifically focusing on the back of the eye, known as the fundus. This procedure is more extensive than a standard intermediate or comprehensive ophthalmological examination and is specifically utilized for assessing severe conditions affecting the posterior segment of the eye. During the examination, the physician employs eyedrops to dilate the pupil, allowing for a clearer view of the retina, optic disc, choroid, and associated blood vessels. An ophthalmoscope, which resembles a flashlight, is utilized to project a beam of light through the dilated pupil, enabling the physician to examine the eye through various tiny lenses. Additionally, a slit-lamp microscope may be employed alongside a specialized lens to enhance the examination process. The physician meticulously examines the back of the eye and creates a detailed drawing that employs standard colors and labels to document critical findings. This drawing may illustrate the extent of retinal detachment, the location of any holes or tears, areas of traction, vitreous opacities, hemorrhaging, lesions, and other relevant details. For conditions such as glaucoma, specific features like cupping, disc rim, pallor, slope, and any pathology surrounding the optic nerve are also documented. Following the examination, the physician provides an interpretation that summarizes the pertinent conclusions, impressions, and findings derived from the examination. It is important to report CPT® Code 92225 for the initial evaluation of disease in each eye examined, while CPT® Code 92226 is designated for a repeat evaluation of an established problem that is worsening or complicated by other pathology.
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