Bullous retinoschisis.

A 59-year-old asymptomatic male was referred to our tertiary care center with suspected left inferior bullous retinal detachment. His best corrected visual acuity (BCVA) was 20/20 in right eye and 20/60 in left eye. Anterior segment examination was unremarkable. Binocular indirect ophthalmoscopic examination revealed an elevated, smooth, dome-shaped retinal lesion from 4 o’clock to 8 o’clock extending posterior to the equator, suggestive of bullous retinoschisis. Scleral indentation revealed no obvious break. He underwent ultra-wide fi eld laser scanning imaging (California P200dtX, Optos) [Fig. 1]. Degenerative retinoschisis can be of two types- flat and bullous type. Bullous or reticular retinoschisis is known to occur in the periphery and often extends posterior to the equator.[12] Management is usually observation unless retinoschisis is accompanied with rhegmatogenous retinal detachment.

Figure 1

Ultra-wide field laser scanning imaging (California P200dtX, Optos) showing bullous retinoschisis

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