J-Curve Vision Loss
A pattern of temporary vision fluctuation during healing. It improves steadily as the eye stabilises.
Junctional Zone
Area where two types of corneal tissue meet, often relevant in surgery.
Juvenile Glaucoma
A rare type of glaucoma occurring in children and adolescents.
J-Refractor
A digital device used for precise vision measurements in an eye exam.
Junction (Corneal)
The corneal junction is the meeting point between the treated and untreated areas after laser reshaping. How smoothly this junction heals can influence clarity and overall visual quality.