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.
History: The Australian actress adopted Connor and Isabella in 1993 and 1995 respectively with then-husband Tom Cruise. After their split in 2001, the two kids decided to live with their father. Siblings: Isabella, who's rarely seen out and about, was pictured here with her brother in London last year.