Add option to generate both eyes

src/pregmod/incubator.tw

@@ -550,6 +550,13 @@ Target age for release: <<textbox "$targetAge" $targetAge "Incubator">> [[Minimu
 					<<run App.Medicine.OrganFarm.growIncubatorOrgan($tanks[$i], "leftEye")>>
 					<<goto "Incubator">>
 				<</link>>
+				<<if getRightEyeVision($tanks[$i]) === 0 && $tankOrgans.rightEye != 1>>
+					|
+					<<link "Prepare both eyes">>
+						<<run App.Medicine.OrganFarm.growIncubatorOrgan($tanks[$i], "leftEye"), App.Medicine.OrganFarm.growIncubatorOrgan($tanks[$i], "rightEye")>>
+						<<goto "Incubator">>
+					<</link>>
+				<</if>>
 			<</if>>
 			<<if getRightEyeVision($tanks[$i]) === 0 && $tankOrgans.rightEye != 1>>
 				<br>$He appears to be blind in $his right eye:
@@ -557,7 +564,14 @@ Target age for release: <<textbox "$targetAge" $targetAge "Incubator">> [[Minimu
 					<<run App.Medicine.OrganFarm.growIncubatorOrgan($tanks[$i], "rightEye")>>
 					<<goto "Incubator">>
 				<</link>>
-			<</if>>			
+				<<if getLeftEyeVision($tanks[$i]) === 0 && $tankOrgans.leftEye != 1>>
+					|
+					<<link "Prepare both eyes">>
+						<<run App.Medicine.OrganFarm.growIncubatorOrgan($tanks[$i], "leftEye"), App.Medicine.OrganFarm.growIncubatorOrgan($tanks[$i], "rightEye")>>
+						<<goto "Incubator">>
+					<</link>>
+				<</if>>				
+			<</if>>
 			<<if $tanks[$i].voice == 0 && $tankOrgans.voicebox != 1>>
 				<br>$He appears to be mute:
 				<<link "Prepare vocal cords">>