Tangshan Guangming Eye Hospital Successfully Performs FCVB Surgery: Ultra-Minimally Invasive and Rapid Treatment for Retinal Detachment
Release time: Nov 06,2025
During the postoperative review, Xiao Z’s left-eye retinal break was completely closed, the symptoms of photopsia and floaters disappeared, and his corrected visual acuity improved. "We didn't expect such a quick recovery. The child only missed a few classes and returned to campus soon. We are truly grateful to the medical team!" the parents said, expressing their deep thanks to the president and Professor Zhou.
On November 2, Tangshan Guangming Eye Hospital successfully carried out its firstfoldable capsular vitreous body (FCVB)surgery for the external treatment of rhegmatogenous retinal detachment. The foldable capsular vitreous body (FCVB) can not only treat retinal detachment via the internal approach to preserve the eyeballs of patients with severe ocular trauma and silicone oil-dependent eyes; one of its models, thefoldable capsular buckle (FCB), can also achieve ultra-minimally invasive and rapid treatment of rhegmatogenous retinal detachment through the external approach, hereinafter referred to as FCB.
President Gao Zeming successfully implanted an FCB in a patient with rhegmatogenous retinal detachment, achieving successful reattachment of the patient’s detached retina. As a novel surgical method for the treatment of rhegmatogenous retinal detachment, FCB implantation is a special type of scleral buckling surgery characterized by minimal invasiveness and few complications. After the operation, patients can maintain a free posture, which greatly improves the overall surgical experience and provides a safer and more efficient surgical option for patients.
Patient Condition Overview
The patient, Xiao Z, is a 16-year-old student. One month ago, he began to experience vague photopsia and floaters in his left eye. For teenagers in the critical period of their academic careers, vision problems are undoubtedly the biggest concern for the whole family, and Xiao Z’s symptoms were far more intractable than ordinary myopia. His parents took him to Tangshan Xiren Eye Hospital, a branch of Tangshan Guangming Eye Hospital, for consultation.
Professor Zhou Xiaona conducted an examination and obtained the following results: visual acuity of the right eye was 0.8 (corrected to 0.8 with -7.0D lens), and visual acuity of the left eye was 0.8 (corrected to 0.8 with -7.0D lens). Intraocular pressure was 15 mmHg in the right eye and 16 mmHg in the left eye. The left eye showed no conjunctival congestion, with clear cornea and moderately deep anterior chamber; the iris texture was distinct, the pupil diameter was approximately 3 mm with positive light reflex, and the lens was clear. Fundus examination revealed vitreous opacity in the left eye, with flat retinal detachment ranging from the 12 o'clock to 3 o'clock positions. A linear degenerative area was observed posterior to the equator between the 1 o'clock and 3 o'clock positions, with a round retinal break at the 2 o'clock position of the degenerative area and a small break at the 1 o'clock position. The remaining retina was attached, and the macular area was intact.
Considering that Xiao Z was only 16 years old and in a busy critical period of his studies, traditional treatment methods involve a long recovery cycle, which might significantly affect his study and daily life. After comprehensive evaluation, the medical team recommended the ultra-minimally invasive and rapidfoldable capsular buckle (FCB)treatment plan to Xiao Z and his parents.
With the active cooperation of his parents, Xiao Z successfully underwent FCB treatment. On November 2, President Gao Zeming performed left-eye FCB implantation for the patient, ultimately achieving successful retinal reattachment. Two days later, laser photocoagulation was performed to treat the retinal break in his right eye. Postoperative examination showed that the retinal break in the right eye was located on the scleral ridge with good adherence. Xiao Z’s family was satisfied with the postoperative outcome and expressed their gratitude to President Gao and Professor Zhou.
During the postoperative review, Xiao Z’s left-eye retinal break was completely closed, the symptoms of photopsia and floaters disappeared, and his corrected visual acuity improved. "We didn't expect such a quick recovery. The child only missed a few classes and returned to campus soon. We are truly grateful to the medical team!" the parents said, expressing their deep thanks to the president and Professor Zhou.
Popular Science
FCB: Ultra-Minimally Invasive and Rapid Treatment for Retinal Detachment
Traditional retinal detachment repair surgeries are divided into two categories: internal approach and external approach.
1. Internal Approach Surgery vs. External Approach Surgery
Internal approach surgery refers to pars plana vitrectomy (PPV), which is invasive, irreversible, slow to recover, and costly. Postoperatively, patients need to maintain a prone position for 2 to 3 weeks of recuperation. If silicone oil tamponade is used, a second surgery is required to remove the silicone oil after 1 to 3 months. Vitrectomy disrupts the oxygen gradient of the vitreous body, which is likely to cause irreversible complications such as cataracts and optic nerve damage.
More doctors recommend the external approach surgery, which does not require entering the eyeball, thus preserving the oxygen balance of the patient’s own eye. Traditional external approach surgery, namely scleral buckling, is less invasive than the internal approach but has a relatively lower success rate. Once successful, it avoids repeated surgeries and reduces patient suffering.
2. Foldable Capsular Buckle (FCB) Surgery
FCB retinal reattachment surgery is a type of external approach surgery. Compared with traditional external retinal detachment surgeries, FCB offers multiple advantages: shorter operation time (reduced from 50 minutes to 10 minutes), no retrobulbar anesthesia, no muscle traction, no scleral fluid drainage, no intraoperative lesion localization, and no retinal break cryopexy. Surgeons only need to implant the folded FCB on the outer wall of the eyeball at the detachment site, then inject normal saline to inflate the balloon. The balloon acts like a jack to "push" the detached retina back into place. The procedure ensures fast postoperative recovery, greatly reduces patient suffering, avoids many postoperative complications, and significantly improves the treatment experience of retinal detachment patients. The surgery adopts 3D reconstruction calculation to accurately determine the location of retinal breaks, effectively improving the accuracy and success rate of retinal reattachment.
During the postoperative review, Xiao Z’s left-eye retinal break was completely closed, the symptoms of photopsia and floaters disappeared, and his corrected visual acuity improved. "We didn't expect such a quick recovery. The child only missed a few classes and returned to campus soon. We are truly grateful to the medical team!" the parents said, expressing their deep thanks to the president and Professor Zhou.
Postoperative examinations showed that the retinal break of the right eye was well-apposed on the scleral ridge, with other examination results remaining basically unchanged. The patient and her family expressed great satisfaction with the surgical outcome and extended their gratitude to the medical team.
