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Title

27 -gauge vitrectomy for pediatric optic disc pit maculopathy - case series

Purpose	Optic disc pit maculopathy (ODP-M) includes macular serous detachment, degenerative intraretinal cysts and pigmentary changes with subsequent visual loss related to a congenital optic disc anomaly. Improvement of current standard surgical technique and follow-up protocol is explored.
Methods	Four patients with a clinical diagnosis of ODP-M underwent a full ophthalmic work-up and underwent 27-gauge pars plana vitrectomy (PPV) with extra long fluid aspiration above the optic pit. Serial optical coherence tomography (OCT) and visual acuity testing were provided during follow-up. In the youngest patients postoperative amblyopia treatment was started.
Results	OCT imaging showed complete resolution of sub- and intraretinal fluid with visual acuity improved in all four patients. In the first patient from 20/40 preoperative to 20/20 in only 7 months after treatment, the second patient from 20/200 to 20/40 in 17 months, the third patient from 20/100 to 20/50 in 9 months and the last patient from 20/100 to 20/25 in 28 months. No intra- or postoperative complication occurred.
Conclusion	ODP-M is a possible cause of visual acuity loss in young patients. PPV with emphasize on extra long fluid aspiration above the optic pit in combination with thorough amblyopia treatment is a valuable vision-saving treatment for pediatric ODP-M patients. A long term follow-up is needed in these patients since visual improvement can occur even after more than a year.
Conflict of interest	No

Authors 1

Last name	DHAESE
Initials	S
Department	Department of Ophthalmology, Ghent University and Ghent University Hospital
City	Ghent

Authors 2

Last name	De Zaeytijd
Initials	J
Department	Department of Ophthalmology, Ghent University and Ghent University Hospital
City	Ghent

Authors 3

Last name	Nerinckx
Initials	F
Department	Department of Ophthalmology, Ghent University Hospital and Delta-CHIREC Hospital
City	Ghent, Brussels