Secondary glaucoma caused by a special type of persistent fetal vasculature

Jianing Ren1, Jiao Lyu1, Hongfei Ye1

  • 1Department of Ophthalmology, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Kongjiang Road, No. 1665, Shanghai, 200092, China.

Insights

Surgical intervention for secondary glaucoma in infants with anterior-anterior persistent fetal vasculature (AAPFV) improved intraocular pressure and cosmetic outcomes. Most infants experienced better vision and corneal transparency post-surgery.

Area of Science:

  • Ophthalmology
  • Pediatric Ophthalmology
  • Glaucoma Research

Background:

  • Persistent fetal vasculature (PFV) can lead to secondary glaucoma in infants.
  • Anterior-anterior persistent fetal vasculature (AAPFV) is a specific subtype requiring targeted investigation.
  • Understanding clinical features and surgical outcomes is crucial for managing pediatric glaucoma.

Purpose of the Study:

  • To investigate the clinical features of infants diagnosed with glaucoma secondary to AAPFV.
  • To evaluate the surgical outcomes of infants undergoing specific procedures for AAPFV-related glaucoma.
  • To assess the efficacy of surgical interventions in improving intraocular pressure and visual function.

Main Methods:

  • Retrospective review of medical records for infants with AAPFV and secondary glaucoma.
  • Surgical procedures included synechialysis, pupilloplasty, lensectomy, and limbal vitrectomy.
  • Minimum 6-month postoperative follow-up was required for inclusion.

Main Results:

  • Eleven infants were included, with a median age of 4 months at surgery.
  • All patients achieved normal anterior chamber, improved pupillary configuration, and controlled intraocular pressure (IOP), except one case of phthisis bulbi.
  • 81.8% of eyes showed improved corneal transparency, and 6/9 patients improved visual acuity from no light perception to light perception.

Conclusions:

  • AAPFV is a distinct PFV type associated with secondary glaucoma in infants.
  • Surgical treatment for AAPFV-related glaucoma can lead to improved vision, IOP control, and cosmetic results.
  • Early surgical intervention may be beneficial for managing this condition.
Abstract

Related Concept Videos

Glaucoma: Overview01:25

Glaucoma: Overview

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...
919
Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
843
Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...
717
Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

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,...
6.6K