Written by Private MD Labs Medical Writing Team • Last Updated: September 8, 2025
Keratomalacia is a serious eye condition characterized by softening of the cornea, which can lead to ulceration and perforation if left untreated. This condition is primarily caused by severe vitamin A deficiency, making blood testing essential for confirming the underlying nutritional cause.
This blood test measures the level of vitamin A (retinol) in the blood, which is essential for diagnosing the severe vitamin A deficiency that causes keratomalacia. Low vitamin A levels confirm the underlying nutritional cause of this corneal softening condition, enabling targeted treatment with vitamin A supplementation.
Vitamin A is crucial for maintaining healthy vision and corneal integrity. When the body lacks sufficient vitamin A, the cornea begins to soften and deteriorate, leading to keratomalacia. Early detection and treatment of vitamin A deficiency can prevent progression and potentially reverse the condition.
While keratomalacia is diagnosed through eye examination, identifying and confirming the underlying vitamin A deficiency requires specific blood testing. This allows healthcare providers to implement appropriate nutritional therapy and monitor treatment progress.
Once vitamin A deficiency is confirmed through testing, treatment typically involves high-dose vitamin A supplementation. Follow-up testing may be necessary to monitor vitamin A levels and ensure adequate restoration to prevent recurrence of keratomalacia.
The information here is for educational purposes only and is not a substitute for professional medical advice. Always consult with a healthcare provider for diagnosis and treatment.