I See CONE
Keratoconus is a non - inflammatory, progressive condition where the central or paracentral cornea undergoes progressive thinning and steepening causing irregular astigmatism and a โcone shapedโ cornea. โฃ
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๐๐ฑ๐ญ๐๐ซ๐ง๐๐ฅ ๐ฌ๐ข๐ ๐ง๐ฌ ๐จ๐ ๐๐๐ซ๐๐ญ๐จ๐๐จ๐ง๐ฎ๐ฌ โฃโฃ
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๐๐ฎ๐ง๐ฌ๐จ๐งโ๐ฌ ๐๐ข๐ ๐งโฃโฃโฃ
V shaped conformation of lower lid produced by the ectatic cornea in downgaze โฃโฃโฃ
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๐๐ข๐ณ๐ฎ๐ญ๐ญ๐ขโ๐ฌ ๐๐ข๐ ๐งโฃโฃโฃ
Sharply focused beam of light near the nasal limbus produced by lateral illumination of the cornea โฃโฃโฃ
Other external signs : โฃโฃโฃ
Charleux sign: Dark reflex in centre of cornea with distant direct ophthalmoscope in dilated pupils โฃโฃโฃ
โฃโฃโฃScissoring reflex on retinoscopy โฃโฃโฃ
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Image from Rajan Eye Care Hospitalโฃโฃ
