Table 1.

Visual characteristics of amblyopic observers. Visual acuities were determined using a Bailey–Lovie chart. Stereopsis was measured using the Randot “Circles” Stereotest (Stereo Optical Co., Chicago, IL). Anisometropia was defined as a spherical equivalent difference greater than 1.50 diopters.

Observer	Age (years)	Gender	Strabismus (at 6 m)	Eye	Refractive error (diopters)	Line letter VA (single letter VA)	Stereopsis
Strabismic
SS1	23	M	L EsoT 3–4Δ	R	+5.50 − 2.25 × 005	20/16+2	400″
				L	+5.50 − 1.50 × 175	20/50−2 (20/25−2)
SS2	20	F	L EsoT 4Δ	R	−0.50 − 0.75 × 095	20/16−1	Fail
				L	−0.25 − 0.50 × 050	20/32+1 (20/25+1)
SS3	27	F	L EsoT 20–25Δ	R	−0.50 − 3.75 × 150	20/80−2 (20/25−2)	Fail
				L	−2.00 − 3.50 × 025	20/20−2
Strabismic and anisometropic
SB1	26	F	R EsoT 4–6Δ and HypoT 4Δ	R	+2.75 − 1.00 × 160	20/80−1 (20/50−1)	Fail
				L	−1.00 − 0.50 × 180	20/16−1
SB2	24	M	R EsoT 4–5Δ	R	+3.50 − 1.00 × 100	20/63+1 (20/40−1)	Fail
				L	Plano	20/16−1
Non-strabismic anisometropic
SA1	45	F		R	+0.25 − 0.50 × 090	20/12.5−2	70″
				L	+3.75 − 1.00 × 030	20/50+2 (20/50+2)
SA2	30	M		R	−1.25 − 0.25 × 160	20/16+1	200″
				L	+0.75 − 0.75 × 170	20/63+1 (20/50+2)