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Kerato conus is derived from Greek words kerato meaning cornea and conus meaning a cone-like structure. It is a non-inflammatory bilateral condition in which the cornea changes its shape and becomes thin. This condition is called kerato conus.
CausesThe various causes of kerato conus are:Allergic conjunctivitis (VKC or vernal kerato conjunctivitis)GeneticsConstant rubbing of eyesLoose fitting of contact lensesHow cornea becomes thinThe superficial layer of cornea known as epithelium starts to become thin due to constant rubbing of eyes which elevate the level of inflammatory molecules in tears including metalloproteinase, tumour necrosis factor, and inter lukein which results in stromal remodeling and keratocyte.Apoptosis which causes cell death in kerato conus.
According to other theories, constant rubbing of eyes can lead to bond destabilisation which is present between collagen fibres in stroma that results in loss of rigidity which turns the cornea into cone shape.
What patients feelPatients with kerato conus may have defective vision which is due to........