Page 166 - The Indian Optician Digital Edition Jan-Feb 2020
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MACULAR




         TELANGIECTASIAS:





         SUBTLE, YET SIGNIFICANT









                                             INTRODUCTION

                                               First described by Gass and Blodi, macular telangiectasias
                                             (MacTel) are part of a group of conditions referred to as idiopathic
                                             juxtafoveolar retinal telangiectasias. These telangiectasias are
                                             classified into three groups. This article reviews and identifies how
                                             each of these groups are managed. 1


                                             MACULAR TELANGIECTASIA            to detect these retinal findings,
                                             TYPE 1                            full fundus examination is needed.
                                                                               Binocular indirect ophthalmoscopy
                                               Macular telangiectasia type     (BIO), fundus photography, optical
                                             1 (MacTel type 1) is an idiopathic   coherence tomography (OCT), and
                  Taylor Lauermann           juxtafoveolar telangiectasia,
                         BS                                                    fluorescein angiography (FA) should
                                             commonly referred to as aneurysmal   be performed in these patients.
                4  year Optometry Student    telangiectasia. This condition is
                th
           Pacific University College of Optometry                             Current research is looking at
                  Forest Grove, Oregon       considered a variant of Coats disease   anti-vascular endothelial growth
                                             and is unilateral, congenital, and   factor (anti-VEGF) injections and
                                             normally presents in middle-aged   laser photocoagulation as possible
                                             men. MacTel type 1 is located     treatment for these patients. 2,4
                                             temporal to the macula with
                                             aneurysms of the capillaries,
                                             veins, and arteries. These
                                             vessels are leaky and
                                             therefore can cause edema
                                             and hard exudates to
                                             appear within the macula.
                                                                   2,3
                                             If the edema is significant
                                             within the macula it can
                                             lead to vision loss. In order
                    Leonid Skorin
                   Jr., O.D., D.O., M.S.
                                                     FIGURE 1 -  LATE STAGE
                Mayo Clinic Health System       FLUORESCEIN ANGIOGRAPHY:
             Consultant, Department of Surgery      RIGHT EYE WITH MACTEL
           Community Division of Ophthalmology    TYPE 2 SHOWING POOLING
                  Albert Lea, Minnesota         OF FLUORESCEIN WITHIN THE
                                                       TEMPORAL MACULA


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