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  Indian J Med Microbiol
 

Figure 4 (a) Optical coherence tomography of a patient with occult macular dystrophy (OMD) shows disruption of the IS–OS segment and decreased foveal thickness; (b) optical coherence tomography of normal individuals; (c) multifocal electroretinogram (mf-ERG) of the OMD patient with reduced amplitude of the P1 wave in the central ring and lost foveal peak in the 3D layout; and (d) mf-ERG in a normal individual. IS–OS, inner segment–outer segment.

Figure 4 (a) Optical coherence tomography of a patient with occult macular dystrophy (OMD) shows disruption of the IS–OS segment and decreased foveal thickness; (b) optical coherence tomography of normal individuals; (c) multifocal electroretinogram (mf-ERG) of the OMD patient with reduced amplitude of the P1 wave in the central ring and lost foveal peak in the 3D layout; and (d) mf-ERG in a normal individual. IS–OS, inner segment–outer segment.