Detection of paravascular retinal cysts before using OCT in a highly myopic patient

Abstract

Paravascular retinal rarefaction as well as pseudohole formation caused by vitreoretinal adhesion on retinal vessels was detected in this patient using OCT. OCT might be useful to detect early-stage retinal pathologies caused by paravascular vitreoretinal traction in highly myopic patients.

Relationship between paravascular abnormalities and foveoschisis in highly myopic patients

“…These results coincide with other authors. 2,9 However, it is important to note that we have not identified any association between a longer AL and MF, even though, we observed that eyes with MF were longer than those without MF. This fact makes us consider the AL as an insufficient factor to develop MF on its own.…”

“…They distinguish intra-and outer-ocular wall factors in the development of MF. 2,5,9 The outer ocular forces include chorioretinal atrophy, posterior staphyloma, and longer AL. The intraocular forces include epiretinal membrane, vitreomacular traction, residula focal vitreoretinal adhesion, and retinal vessel stiffness.…”

“…Four types of abnormalities have been reported: paravascular retinal cysts (PCs) (identified by OCT as cystoids spaces within the inner retina), 9 vascular and paravascular microfolds (PMs) (described as a projection of retinal vessels toward the vitreous cavity), 10 paravascular lamellar holes (cracks that extend from the level of the internal limitating membrane to approximately one half of the thickness of the neural retina) and paravascular retinoschisis (PR) (a separation of the retinal layers around the vessels). 8 These lesions are not frequently diagnosed because it does not affect the visual acuity and it is difficult to detect by funduscopy.…”

The Epidemiology of Vitreoretinal Interface Abnormalities as Detected by Spectral-Domain Optical Coherence Tomography

“…The association with high myopia is consistent with other studies in which PVCs have been shown to be related to high myopia or elongation of the eye. 5 Vascular microfolds and paravascular retinal holes may develop secondary to PVCs. PVCs were not related to decreased visual acuity in the BDES and have little clinical relevance.…”

Presence of paravascular lamellar holes in patients with idiopathic premacular fibrosis

“…OCT images centred on the fovea showed that all eyes had a retinal thickening with tractional retinal oedema (figure 1). OCT images along the retinal arcade vessels showed paravascular lamellar holes with retinal cysts in five eyes 5. These abnormalities were observed along the same retinal vessels.…”