Related Experiment Video
Updated: Apr 21, 2026

05:19
Author Spotlight: Unraveling the Molecular Mechanisms in PCO and Fibrosis Following Cataract Surgery
Published on: December 1, 2023
1.8K
Peripheral polypoidal choroidal neovascularization, subretinal hemorrhage, and cataract surgery
Claudia Bruee1, Louis K Chang, K Bailey Freund
1From the Vitreous, Retina, Macula Consultants of New York, and the LuEsther T. Mertz Retinal Research Center, Manhattan Eye, Ear, and Throat Hospital, New York, New York.
Retinal Cases & Brief Reports
|November 13, 2014
Summary
Spontaneous choroidal hemorrhages during cataract surgery may be linked to polypoidal choroidal vasculopathy. This condition can cause peripheral hemorrhages that may resolve without vision loss.
Area of Science:
- Ophthalmology
- Retinal Vascular Diseases
Background:
- Spontaneous choroidal hemorrhages during cataract surgery are rare but serious complications.
- The underlying mechanisms of these hemorrhages are not well understood.
Purpose of the Study:
- To describe three cases of spontaneous limited peripheral choroidal hemorrhages during uneventful cataract surgery.
- To investigate the association with polypoidal choroidal neovascularization.
Main Methods:
- A case series design was employed.
- Clinical data from three affected patients were analyzed.
Main Results:
- Peripheral polypoidal choroidal vasculopathy was identified as a potential causative factor.
- Patients presented with spontaneous limited choroidal hemorrhage during cataract surgery.
Conclusions:
- Polypoidal choroidal vasculopathy in the peripheral fundus may cause spontaneous subretinal hemorrhages during anterior segment surgery.
- These hemorrhages might resolve spontaneously, with associated neovascularization regression and serosanguineous resolution, potentially without significant vision loss.
Related Concept Videos
Diabetic Retinopathy
11
DefinitionDiabetic retinopathy is a microvascular complication of diabetes affecting the retinal blood vessels.Risk FactorsDiabetic retinopathy is present in almost all individuals with type 1 diabetes and more than 60% of those with type 2 diabetes after two decades of disease.The risk increases with poor glycemic control, hypertension, dyslipidemia, smoking, pregnancy, and puberty.Although cataracts and glaucoma are also more frequent in people with diabetes, retinopathy remains the leading...
11
Photoreceptors and Visual Pathways
11.3K
At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category,...
11.3K
Glaucoma: Overview
1.7K
Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
1.7K

