Built from passages of the source by the curated extraction. Pending human review.
Names and synonyms
- Sanskrit
- नक्तान्ध्यरात्र्यन्धता
- Hindi
- रतौंधीरात में न दिखना
- English
- Night blindnessnight blindness
- Romanized
- naktandhya
What the text says
Each statement reports the source, with its chapter, page and verse. Traditional descriptions are not presented as proven medical facts.
How it develops2
A small amount of dosha (kapha) lodged in all three layers of the eye is said to make a person night-blind, so that he cannot see at night.
He sees by day because his eyes are favoured by the sun and the kapha is slight.
Questions and answers
How does sight change as the doshas move through the layers of the eye?
In the first layer things are seen indistinctly; in the second even a needle's eye cannot be seen; in the third things below are not seen and objects look like hair, mosquitoes or flies; in the fourth, timira blocks sight completely and is called linganasha.
Detailed answer and sourcesAll references
Every page and verse of the source that this entry draws on.
Quick facts
- Content type
- Condition
- Categories
- Eye and ENT
- Source pages with records
- 1
- Pages naming it
- 0
- Chapters
- Chapter 15
- Extraction tasks
- T15
- Record id
- condition_naktandhya