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Posterior Vitreous Detachment


Presentation

  • A P -value Results The demographics of the patients included in this study are presented in Table 1.[dovepress.com]
  • Method Patients presenting to the eye casualty with symptomatic PVD were examined by the casualty staff.[nature.com]
  • Retinal tear (defined as a full-thickness break in the retina) is present in about 10% of cases on presentation and a further 2-5% of patients in the weeks that follow).[patient.info]
  • Signs and symptoms Many patients do not present with acute symptoms when PVD occurs. Presenting symptoms include entoptic phenomena such as floaters, change in pattern of floaters and photopsias.[eyewiki.aao.org]
  • presenting to check the health of the retina.[myeyespecialist.com.au]
Disability
  • There is no cure for floaters unless they are disabling or prevent normal day to day functioning, and only then would removal of the gel within the eye be recommended.[retinahi.com]
Amyloidosis
  • Differential diagnosis Retinal detachment Asteroid hyalosis/Synchysis scintillans Vitreous syneresis Vitreous inflammation (infectious and non infectious) Vitreous haemorrhage Vitreous amyloidosis Ocular large cell lymphoma General treatment Observation[eyewiki.aao.org]
Hypertension
  • Hypertension was defined as having a history of hypertension on medication or elevated blood pressure when measured in the examination (diastolic blood pressure 90 mmHg or systolic blood pressure 140 mmHg).[bmcophthalmol.biomedcentral.com]
  • A 68-year-old female with a history of diabetes, hypertension, and hyperlipidemia presents to the emergency department (ED) complaining of painless vision loss in her left eye.[emra.org]
  • Thus, patients with glaucoma, myopia, and those with hypertension or other risk factors for retinal vein occlusion should be counseled regarding the health risks of yoga before joining a class.[cureus.com]
  • Individuals were excluded if they had corrected visual acuity of less than 20/20, intraocular pressure of 22 mm Hg or higher, a remarkable eye disorder such as cataract or retinal detachment, or systemic diseases such as diabetes mellitus or systemic hypertension[jamanetwork.com]
Chemosis
  • There is no scleral injection, chemosis, or drainage. She has intact extraocular movements and her pupils react equally to light.[emra.org]
Confusion
  • It's important to receive a thorough eye exam as soon as symptoms begin, as PVD can sometimes be confused with a retinal tear or detachment. We will perform a comprehensive exam that includes dilating the eye so even the smallest issue can be seen.[houstonretina.com]
  • We have previously reported that this pathology is observed by OCT in some cases of retinitis pigmentosa. 13 Although posterior vitreoschisis can be confused with a shallow PVD with shrinkage of the posterior vitreous cortex, it is important that it be[dovepress.com]

Treatment

  • Dose and Treatment in Human Donor Eyes T able 1.[iovs.arvojournals.org]
  • Treatment: We will proceed to a retinal periphery examination to control that the vitreous detachment did not tear the retina.[retinegallien.com]
  • Treatment is only necessary when there is a risk to the health of your retina, in which case you’ll be referred for urgent treatment to repair a retinal tear, hole, or detachment.[specsavers.co.uk]
  • PVD usually doesn’t require treatment. Complete detachment typically takes no longer than three months. If you continue to see floaters after detachment is complete, discuss treatment options with your doctor.[healthline.com]
  • Suffering from a retina tear is serious and often requires medical treatment to prevent vision loss.[austinretina.com]

Prognosis

  • Prognosis The prognosis is generally good for PVD. Boyd K, Vemulakonda GA. Floaters and Flashes. American Academy of Ophthalmology. EyeSmart Eye health. . Accessed March 13, 2019. Porter D, Vemulakonda GA. Posterior Vitreous Detachment.[eyewiki.aao.org]
  • Treatment and Prognosis In most situations, our board-certified eye surgeons will likely perform a vitrectomy, which removes the vitreous gel substance from the center of the eye to help reduce the appearance of floaters and blurry vision.[houstonretina.com]
  • Treatment and prognosis PVD is non-sight-threatening and the symptoms subside in the vast majority of patients. Most patients no longer notice flashes after 3 months and floaters tend to improve. No specific treatment is needed for PVD.[asrs.org]
  • Prognosis [ 5 ] Most patients become symptom-free over a few months and learn to tolerate the floaters quite quickly. The vitreous will not reattach but the associated symptoms subside and there are no complications.[patient.info]
  • Introduction Diagnosing vitreous changes, especially a posterior vitreous detachment (PVD), is important for predicting the prognosis and determining the indication for vitreoretinal surgery in many vitreoretinal diseases.[dovepress.com]

Etiology

  • Etiologies include age-related degeneration of the vitreous tissue, elongation of the ocular bulb, and eye injuries. Patients are usually asymptomatic, but may complain of floaters and photopsia.[amboss.com]
  • In cases of dense VH, ultrasonography (B-scan) may aid in ascertaining the presence of retinal detachment, retinal tear, or any other associated etiologies.[reviewofoptometry.com]

Epidemiology

  • Epidemiology Prevalence of PVD increases with age and with axial length of the eye. PVD affects most eyes by the eighth decade of life. Age at onset is generally in sixth to seventh decade and men and women appear to be equally affected.[eyewiki.aao.org]
  • Epidemiology PVD is the most common cause of flashes and floaters. Some older studies suggest a prevalence in high myopes of over 70% by age 65 [ 1 ].[patient.info]
  • Gella L, Raman R, Kulothungan V, Sharma T: Prevalence of posterior vitreous detachment in the population with type II diabetes mellitus and its effect on diabetic retinopathy: Sankara Nethralaya Diabetic Retinopathy Epidemiology and Molecular Genetic[bmcophthalmol.biomedcentral.com]
Sex distribution
Age distribution

Pathophysiology

  • Pathophysiology The vitreous is strongly attached to the retina at the vitreous base, a ring shaped area encircling the ora serrata (2mm anterior and 4mm posterior to it).[eyewiki.aao.org]
  • The pathophysiologic mechanism of the development of PVD is beyond the scope of this study. However, some aspects warrant discussion.[jamanetwork.com]

Prevention

  • A dilated exam is recommended to look for possible holes or tears in the retina, and if these are uncovered, prompt treatment can prevent vision loss. Daniel D. Esmaili, MD Retina Vitreous Associates Medical Group[discoveryeye.org]
  • Prevention Some changes in the eye are a natural part of the aging process. If you have PVD in one eye, it is very common to develop it in the second eye within one or two years. Injury to the eyes increases your risk of PVD.[pacificeyesurgerycenter.com]

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