What is posterior Staphyloma?
What is posterior Staphyloma?
Posterior staphyloma is a condition that can be present in highly myopic individuals with long axial lengths. It is caused by elongation of the globe due to thinning and bulging of the sclera and results in an irregular configuration of the retina at the posterior pole.
What is lattice in retina?
Lattice degeneration is a common peripheral retinal degeneration that is characterized by localized retinal thinning, overlying vitreous liquefaction, and marginal vitreoretinal adhesion. The condition is associated with atrophic retinal holes, retinal tears, and retinal detachments.
What is tessellated fundus?
Tessellated fundus is defined as the condition in which the choroidal vessels can be seen through the retina owing to reduced pigmentation or hypoplasia of the retinal pigment epithelium (RPE) .
How common is posterior staphyloma?
Risk Factors & Associated Conditions. Patients with pathologic myopia are at increased risk for posterior staphylomas. Up to 50% of patients with pathologic myopia are reported to have a staphyloma. The definition of pathologic myopia has been updated to include the presence of a posterior staphyloma.
Does staphyloma cause blindness?
Macular degeneration can result in legal blindness among those with progressive myopia and posterior staphyloma. Programmed photoreceptor death, apoptosis, is operative in some.
Can optic atrophy be cured?
There is no real cure or treatment for optic atrophy. Therefore, it’s important to have regular eye exams (especially if you have a family history of eye diseases), and to see your ophthalmologist immediately if you have any changes in your vision.
Is Peripapillary atrophy common?
2 This pigment disturbance or mottling represents chorioretinal atrophy around the optic disc. This chorioretinal atrophy is known as peri-papillary or para-papillary atrophy (PPA), and is a relatively common finding.
What causes tessellated fundus?
However, the choroid becomes thinner as the axial length elongates, and less melanin pigment would be present between the choroidal vessels and the front of the eye. Because the medium and large vessels of choroid become more visible, it would make the fundus appear more tessellated.
What is the medical definition of a tigroid retina?
a normal fundus to which a deeply pigmented choroid gives the appearance of dark polygonal areas between the choroidal vessels, especially in the periphery. Synonym (s): fundus tigré, leopard fundus, leopard retina, mosaic fundus, tigroid fundus, tigroid retina Farlex Partner Medical Dictionary © Farlex 2012
How does age related choroidal atrophy affect the retina?
The patients with age-related choroidal atrophy were noted to have pigmentary alterations in the macula and a tessellated funduscopic appearance. The tessellated or tigroid pattern of the fundus resulted from visualization of the larger choroidal vessels located within the deep choroid.
What happens when a vein in the retina becomes blocked?
When a vein in the retina becomes blocked, it’s called retinal vein occlusion. This can give you blurry vision or even sudden permanent blindness in that eye.
How is choroidal atrophy related to the fundus?
The tessellated or tigroid pattern of the fundus resulted from visualization of the larger choroidal vessels located within the deep choroid. This appearance may be related to the overall loss of choroidal melanocytes secondary to choroidal atrophy seen in these patients.