Topography of the “vitreous structures” (tractus; membranelles) with respect to the layers of embryonal blood vessels

H, Pau

doi:10.1007/bf00462033

Cited by 5 publications

(1 citation statement)

References 22 publications

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“…32,33 This suggests that lamellae are formed along tracts previously occupied by blood vessels, thus confirming earlier observations in human eyes. 34 In humans, lamellae gradually became more conspicuous and irregular on ageing. 10,16,17 Similar observations were made in rabbits, where lamellae first became broader over time and later started to undulate as well.…”

Section: Discussionmentioning

confidence: 99%

The rabbit as an animal model for post-natal vitreous matrix differentiation and degeneration

Los

2008

Eye

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Purpose This study evaluates whether rabbits are a suitable animal model to study post-natal vitreous differentiation and degeneration. Methods Human and rabbit eyes of various ages were studied by complementary anatomical techniques, light microscopy, and transmission electron microscopy. Results The global vitreous matrix organization is similar in human and rabbit eyes, lamellae are an important aspect thereof and show striking morphological changes with increasing age. In humans, liquefaction is more conspicuous than in rabbits but changes in matrix histology consistent with liquefaction can also be observed in the latter. Conclusions Lamellar development is consistent with vitreous differentiation, while increasing liquefaction is consistent with matrix degeneration. At the anatomical and histological levels, human and rabbit vitreous matrices are sufficiently similar to make the rabbit a promising animal model for the study of the pathogenesis of vitreous matrix differentiation and degeneration in more detail.

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Section: Discussionmentioning

confidence: 99%

The rabbit as an animal model for post-natal vitreous matrix differentiation and degeneration

Los

2008

Eye

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Surgery in unilateral congenital cataract caused by persistent fetal vasculature or minimal fetal vascular remnants

Müllner-Eidenböck¹,

Amon²,

Hauff³

et al. 2004

Journal of Cataract and Refractive Surgery

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Results indicate that varying degrees of PFVS are a frequent cause of unilateral congenital cataract. Most severe cases were in infants, and preschool children were usually mildly affected. Vitreoretinal complications may lead to challenges in the surgical management in infants. In preschool children, cataract surgery must be performed in a guarded fashion because of the high risk for preexisting posterior capsule breaks due to minimal fetal vascular remnants.

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Persistent fetal vasculature and minimal fetal vascular remnants

et al. 2004

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Topography of the “vitreous structures” (tractus; membranelles) with respect to the layers of embryonal blood vessels

Abstract: In these investigations an attempt has been made to clarify the question of which embryonal blood vessels. which embryonal and fetal lengths, which different physiological tractus of the vitreous body and which different pathological features of the persistent hyaloid artery correspond.

Cited by 5 publications

References 22 publications

The rabbit as an animal model for post-natal vitreous matrix differentiation and degeneration

The rabbit as an animal model for post-natal vitreous matrix differentiation and degeneration

Surgery in unilateral congenital cataract caused by persistent fetal vasculature or minimal fetal vascular remnants

Persistent fetal vasculature and minimal fetal vascular remnants

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