Table 2.
Description of target retinal lesions
| Retinal lesion | Features |
|---|---|
| White without pressure |
Definition: distinctive white appearance of the peripheral retina without indentation and without mechanical stimulus Characteristic: whiter than the retina with pressure and the choroidal markings are almost obscured, found in post-equatorial region at the base of the vitreous and ora serrata, whiteness further accentuated with scleral depression, margins are sharply demarcated from normal retina |
| Paving-stone degeneration |
Definition: lesions show multiple rounded, punched-out areas of choroidal and retinal atrophy Characteristic: yellow-white in color due to sclera being partly visible through the atrophic choroid, discrete margins that may be pigmented, may become confluent. Lesions located between ora and equator with size of one to several disc diameters |
| Lattice degeneration |
Definition: retinal thinning with fibrosis and vitreous liquefaction over the lesion Characteristic: oval or linear pattern of lesions, may be one lesion or multiple, may have yellow deposits, pigment, atrophic holes, or retinal breaks |
| Cystic retinal tuft |
Definition: area of retinal degeneration caused by attachment to and pulling of the vitreous Characteristics: circular, cotton ball-like structure adjacent to a dark background |
| Retinal break |
Definition: isolated tear due to a defect in the sensory retina from the traction of the vitreous after acute posterior vitreous detachment Characteristic: either retinal tear or retinal hole, retinal holes due to atrophic changes in the neurosensory retina |
| Rhegmatogenous retinal detachment |
Definition: subretinal fluid accumulates between the neurosensory retina and the retinal pigment epithelium with occurrence of a break in the retina allowing vitreous to directly enter the subretinal space Characteristic: a rhegmatogenous retinal detachment has a corrugated appearance and undulates with eye movements |