By Vishali Gupta, Amod Gupta, Mangat Ram Dogra
The emergence of Optical Coherence Tomography (OCT) in recent times has revolutionized the best way we see the retina. offering, in actual time, high-resolution cross-sectional photos of the macula which are similar to acquiring in vivo histopathological specimens, OCT represents an incredible strengthen within the diagnostics of retinal disorder. the thrill of operating with this new device has been dampened by means of the non-availability of any usual textbook at the topic and intended that each new discovering at the OCT observed us speeding to the library nearly every day to find any released reviews at the topic. till now.
Containing approximately 900 scans of either general and diseased appearances, such a lot in complete colour, Atlas of Optical Coherence Tomography of Macular illnesses covers the right way to use Stratus OCT for diagnosing numerous macular problems, settling on right healing methods and tracking the responses to remedies and interventions. The authors offer short case summaries, fundus images, fluorescein angiography, and the OCT photos and the persist with up pictures. They speak about OCT purposes for prognosis, administration, and follow-up in diabetic macular edema, macular gap, taut posterior hyaloid membrane, vitreofoveal traction, idiopathic imperative serous chorioretinoplasty, submacular pathology, and extra.
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Extra info for Atlas of Optical Coherence Tomography of Macular Diseases
The posterior hyloid membrane was attached to the foveal center probably resulting in foveal traction. The central foveal thickness was reduced to 270 microns and there was persistence of serous retinal detachment as well as hyporeflectivity in the outer retinal layers suggestive of fluid. This case illustrates that diabetic macular edema is multifactorial in etiology and all the aspects need to taken care of in the management of these patients. tractional foveal detachment and TPHM either alone or in conjunction with patterns 2 and 3 constitute an indication for surgical intervention.
Repeat OCT scan through the center of fovea (M) showed normal foveal contour with a thin hyporeflective streak under the fovea suggestive of underlying serous fluid while a vertical scan passing through the fibrin (N) showed hyperreflectivity (arrow) with underlying area of hyporeflectivity suggestive of underlying serous fluid. Page 56 Focal laser photocoagulation was applied to the hyperfluorescent spot along the upper temporal vessel.
Fluorescein angiography (B) revealed leak from NVD and NVE. There was associated serous retinal detachment under the fovea (C). Three months later, his visual acuity had improved to 20/30 with resolution of CSME (D, E). The OCT played a major role in defining an indication for PPV. She underwent PRP for the same, following which her pre retinal blood reduced but she developed recalcitrant CSME with taut posterior hyloid membrane (TPHM) that didn’t respond to grid laser photocoagulation (B).