IMPORTANCE OF EYE DONATION

IMPORTANCE OF

EYE DONATIONBy: Dr.PANCHAJANYA KUMAR .DEEVI1ST year PG Scholar.

ContentsHistorical aspects acc to Ayurveda.Facts about Eye Donation.Eye Bank.Eye collection centers.Legal aspects.Corneal Grafting.Conclusion.

Historical aspects acc to Ayurveda.

Aswini kumaras transplanted eyes of Bhaga.

Congenital abnormality (janmandhata) of Dhritarashtra was not treated. It is clear that transplantation is only possible to accidental loss of vision.

Historical aspects acc to Ayurveda.Acharya Susruta said in accidentally injured eye lesser the number of patalas involved more the chance of recovery.By which we can suspect Acharya Susruta doesn't perform whole eye transplantation.

Facts about Eye DonationAny one at any age can pledge to donate eyes after death.The eye have to be removed with in 6hrs of death .Eye donation gives sight to 2 blind persons.Though total eye is collected only cornea is used for grafting.

Eye bankCollection & distribution of cornea for the purpose of corneal grafting.Research & supply of other eye tissues .Promotion of donation.Eye bank Personnel : In charge- Ophthalmologist-Technician- Clerk cum store keeper-PRO-Driver cum Projectionist.Eye collection centerAbout 4 to 5 collection centers for one Eye bank one per 2lak population.Personnel: ophthalmic technician- social workers- honorary medical officers. Legal aspectsThe trans plantation of Human Organ Act 1994.The donated eye wont be sold.Corneal grafting Synonyms: keratoplasty, corneal transplantation.Types: Auto grafting & AllograftingAuto grafting: Rotational & Contra lateral.( patients own eye)Rotational keratoplasty: in which opacity of center rotated to periphery.Contra lateral keratoplasty: cornea of one eye is exchanged to other eye.

Corneal grafting Allografting: Penetrating ,Lamellar, Small patch.Penetrating keratoplasty: Full thickness grafting.Lamellar keratoplasty: partial thickness grafting.Small patch keratoplasty: may be Full thickness or partial thickness .Corneal grafting Indications: Optical : to improve vision, corneal opacity, adv. Keratoconus.Therapeutic: to replace inflamed cornea not responding to conventional treatment.Cosmetic: to improve the appearance of eye ball.

Corneal grafting Preservation:

Short term : whole globe at 4c in a moist chamber.( up to 48 hrs)Intermediate: cornea in Mc carey Kauffman medium or optisol medium.( up to 2 wks)Long term :organ culture method or cryopreservation at -70 c .( up to 35 days)

Corneal grafting Excision of donor corneal button should be cut 0.25 mm larger than the recipient.Excision of recipient corneal button with the help of corneal trephine 7.5 to 8 mm in size.

Corneal grafting The anterior chamber is entered with razorblade knife and excision is completed using corneoscleral scissors.Suturing of the graft into host bed is done with either continuous or interrupted 10-0 sutures.

ComplicationsEarly complications: flat anterior chamber, iris prolapse, infection, sec. glaucoma, epithelial defects and primary graft failure.Late complications: graft rejection, astigmatism.Conclusionkeep eye healthy through out life which makes you happy before death by donating them after death the receiver will be happy which gives you life after death.

The preservation methods has to be improved to extend the preservation period.

AcknowledgeDr. M. Gurumurthy. M.D Prof & HOD Dept.of.SSPDr. T .Praveen Kumar. M.D Reader. Dr. CH. Ramadevi. M.D Sr. Lecturer. Dr. B. Bhadrinath. M.D Technical Asst. Shalakya P.G Unit