PURPOSE: To investigate the surgical outcome of rectangular 4-snip punctoplasty, a modification of rectangular 3-snip procedures, using objective measurements. DESIGN: Noncomparative case series. METHODS: The medical charts of @entity1 who underwent rectangular 4-snip punctoplasty for severe @entity850 with at least 6 months follow-up were reviewed. Before surgery and at 1 and 6 months after surgery, subjective evaluation of tearing was assessed using Munk scores. The size of the punctum was graded based on slit-lamp examination, and measurement of tear meniscus height was done using Fourier-domain optical coherence tomography. RESULTS: A total of 45 eyes (26 @entity1 ) were studied. The subjective @entity9467 score was significantly reduced after surgery and maintained until 6 months after the surgery (  2 for trend test, P<.001). The grade of the punctum size was also significantly enlarged after surgery and the enlarged punctum was maintained until 6 months after the surgery (  2 for trend test, P<.001). The mean preoperative tear height (452.4  249.3  m) was significantly reduced both at 1 month after surgery (341.6  207.9  m; P=.003, paired t test) and at 6 months after surgery (362.1  212.6  m; P=.004, paired t test). The functional success rate was 93.3% and anatomic success rate was 88.9% at 6 months after surgery. CONCLUSIONS: Rectangular 4-snip punctoplasty was an anatomically and functionally effective procedure for severe @entity850 @entity1 , maintaining large puncta for fairly long periods.

Outcomes of 4-snip punctoplasty for severe XXXX : measurement of tear meniscus height by optical coherence tomography.

@entity1 :: ('9606', 'Species') :: ['patients'] @entity850 :: ('MESH:D003251', 'Disease') :: ['punctal stenosis'] @entity9467 :: ('MESH:D007766', 'Disease') :: ['epiphora']
@entity850 :: (MESH:D003251,Disease) :: ['punctal stenosis']
