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Optical Coherence Tomography (OCT) is a non-invasive imaging technique that provides high-resolution cross-sectional images of the retina, allowing for the detailed assessment of various ocular conditions. It is particularly effective in visualizing the internal structures of the eye and assessing changes in the retina related to a range of diseases.

When considering dextroversion, which refers to the movement of the eyes towards the right side, OCT is not typically utilized for this purpose. Dextroversion is primarily a functional aspect of ocular motility and alignment, which can be assessed through clinical examination and specific motility tests. OCT does not provide information about eye muscle function or the ability of the eyes to move in coordination; therefore, it is not useful for diagnosing or evaluating eye movement disorders such as dextroversion.

In contrast, OCT is exceedingly useful in conditions like macular degeneration, retinal detachment, and diabetic retinopathy. It can reveal the structural abnormalities associated with these diseases, such as drusen in macular degeneration, fluid or tissue displacement in retinal detachment, and retinal thickening or edema in diabetic retinopathy. These conditions require detailed imaging to effectively diagnose and monitor progression, making OCT an essential tool in their evaluation.