According to the World Health Organization (WHO), Vitamin A deficiency manifests in a progressive sequence of ocular signs. Arrange the following clinical stages of xerophthalmia in the correct order of increasing severity (from earliest to most advanced): 1. Bitot's spots 2. Night blindness (Nyctalopia) 3. Corneal ulceration/Keratomalacia 4. Conjunctival xerosis Select the correct sequence from the options given below:

Options:

  • A: 1-2-4-3
  • B: 2-1-4-3
  • C: 2-4-1-3
  • D: 4-2-1-3

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According to the World Health Organization (WHO), Vitamin A ... | Adhigo