Final answer:
Strabismus in a 4-month-old can be a part of normal development, but if it persists or is accompanied by other symptoms, it is important to seek medical advice. The case studies of Hannah and Olivia suggest that such symptoms could indicate more serious conditions, which require prompt medical attention and treatment.
Step-by-step explanation:
Strabismus is an eye condition where the eyes do not properly align with each other when looking at an object. In infants, such as a 4-month-old, it can sometimes be a normal part of development as the visual system is not yet fully mature. However, persistent strabismus or an onset of new symptoms alongside strabismus could be cause for concern and warrant a professional medical evaluation.
In the cases of Hannah and Olivia, as described in the clinical focus scenarios, the combination of symptoms such as vomiting, lethargy, irritability, and sensitivity to light, could be signs of more serious conditions such as infections, neurological disorders, or even meningitis, a condition characterized by the inflammation of the protective membranes covering the brain and spinal cord. An immediate assessment by a healthcare professional is critical to diagnose the underlying cause and administer appropriate treatment.
Therefore, if the mother of a 4-month-old with strabismus is concerned, especially if her child is displaying any additional worrying symptoms like those seen in Hannah and Olivia, she should consult a pediatrician or an eye specialist to rule out any serious conditions and to determine the best course of action for her child's health.