Tests and diagnosis. A medical doctor specializing in vision and eye disorders (ophthalmologist) should conduct your child's eye exam. The exam will include an assessment of potential nystagmus, strabismus and photophobia.
Gastric outlet obstruction (often abbreviated as GOO) is a medical condition where there is an obstruction at the level of the pylorus, which is the outlet of the stomach.ndividuals with gastric outlet obstruction will often have recurrent vomiting of food that has accumulated in the stomach, but which cannot pass into the small intestine due to the obstruction.
The pyloric sphincter prevents regurgitation from the intestines into the stomach. An endoscopy may be performed to diagnose conditions involving the pyloric sphincter. An illustration of a human stomach. The pyloric sphincter is located at the bottom of the stomach, where it connects to the duodenum.