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Year : 2012  |  Volume : 60  |  Issue : 1  |  Page : 5-14

Phototherapeutic keratectomy

1 Cornea, Anterior Segment and Refractive Surgery Services, L V Prasad Eye Institute, Hyderabad, AP, India
2 Cornea and Anterior Segment Services, Choitram Netralaya, Indore, MP, India

Correspondence Address:
Varsha M Rathi
L.V. Prasad Eye Institute, L.V. Prasad Marg, Kallam Anji Reddy Campus, Banjara Hills, Hyderabad - 500 034
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0301-4738.91335

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Phototherapeutic keratectomy (PTK) is done regularly for anterior corneal diseases such as corneal dystrophies, corneal degenerations, scars, and band-shaped keratopathy. The various indications include both therapeutic and visual. The aim of this article is to discuss the therapeutic indications for PTK, the specific technique pertaining to a specific etiology, the various other procedures like amniotic membrane graft combined with PTK or PTK being done for recurrences in the grafts, and PTK done before cataract surgery when the anterior corneal pathology coexists with the cataract. Post PTK management such as healing of an epithelial defect, use of steroids in the post PTK period, recurrences of primary disease pathology, and infections, will be discussed. Methods of literature search: A Medline search was carried out for articles in the English language, with the keywords, phototherapeutic keratectomy, band-shaped keratopathy, spheroidal degeneration, scars, bullous keratopathy, and corneal dystrophy. The relevant references are mentioned here.

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