Retinal tears and retinal detachments

Source: Left-hand image: retinagallery.com; Right-hand image: Adapted from an image uploaded to retinagallery.com by Jason Calhoun.

The dotted arrow shows the position of the fovea. If the fovea detaches (termed, macular-off retinal detachment), there is loss of visual acuity, otherwise the main symptom is loss of visual field. The dotted line shows the extent of the detachment.