Congenital nystagmus (also known as infantile nystagmus) is a clinical sign that may take many different forms. Involuntary, rhythmic eye movements are characteristic, as they are in acquired nystagmus. Waveform, amplitude, and frequency can vary with changes in focal distance, direction of gaze, and under monocular or binocular viewing conditions.
Connor was adopted by Kidman and Cruise in 1995, two years after they adopted his sister Isabella. In 2007, Nicole said her adopted children had even stopped calling her 'Mum', sparking rumours their relationship was strained. 'My kids don't call me mommy, they don't even call me mom.
READ: Keith Urban admits to sexting with Nicole Kidman. Kidman is a mother of four children, one of whom she gave birth to herself. She has an adopted son and daughter with ex-husband Tom Cruise and two daughters with Urban. She delivered their eldest, Sunday Rose, in 2008 at age 41, while their youngest, Margaret Faith, was born to a gestational carrier in 2010.