Table 4. The Emulsion Formation Strength Using Optical Illusion Method and Refractive Index (RI) of SEDDS Formulations (n = 3)^a.

	Factorial Design Condition	Refractive Index	Optical Illusion
1	+ + +	0.066667 ± 0.057735	translucent and anaphase
2	+ + -	0.033333 ± 0.057735	milky and anaphase
3	- + +	0.033333 ± 0.057735	translucent and anaphase
4	+ - +	0.066667 ± 0.115470	milky and anaphase
5	- + -	0.3 ± 0.1	translucent and anaphase
6	+ - -	0.1 ± 0.057735	milky and anaphase
7	- - +	0.166667 ± 0.057735	translucent and anaphase
8	- - -	0.066667 ± 0.057735	milky and anaphase

^a Data are presented as Mean ± SD.