TABLE 5.

Comparison of Reported Incidences of Persistent Motility Disturbance and Diplopia Following Tube Shunt Surgery in Published Studies

Authors	Implant Type	Study Design	Implant Location	N	Incidence of Diplopiaa	Incidence of Strabismusa
Present study	Baerveldt	Randomized clinical trial	Superotemporal	101	5%	9.9%
Harbick and associates1	Baerveldt	Retrospective case series	Inferonasal	182	2%	N/R
Tsai and associates2	Baerveldt	Retrospective case series	Superotemporal	70	1.4%	N/R
Krishna and associates3	Baerveldt	Retrospective case series	Variable	65	N/R	3%
Roy and associates4	Baerveldt	Retrospective case series	N/R	51	2.1%	2.1%
Lloyd and associates5	Baerveldt	Randomized clinical trial	Variable	73	8%	18%
Britt and associates6	Baerveldt	Randomized clinical trial	Variable	103	1.9%	15.5%
Smith and associates7	Baerveldt	Retrospective case series	Variable	30	37%	77%
Dobler-Dixon and associates14	Molteno	Prospective clinical series	Variable	24	17%	25%
Smith and associates7	Molteno	Retrospective case series	Variable	100	N/R	6%
Ayyala and associates15	Ahmed	Retrospective case series	N/R	85	2.4%	N/R
Huang and associates16	Ahmed	Retrospective case series	N/R	159	2.5%	N/R

N = number of subjects studied; N/R = not reported.

^aOnly persistent cases were tabulated.