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Biomedical subjects

M D Crick

Publications and source records attributed to M D Crick.

5 recordsLinked to original sources
PubMed1979

Retinal detachment surgery without cryotherapy.

The authors have performed 43 retinal detachment operations omitting the use of cryotherapy or any other type of retinal adhesion. Only a full thickness buckling procedure has been performed with drainage of subretinal fluid in some cases. The cases were carefully selected and the follow-up period has been from 1 to 3 1/2 years. Redetachment has not occurred if the original hole was free of traction (round holes) but has so far occurred in 3 cases where traction was present.

Cryosurgery↗
PubMed1977

Vitrectomy technique in anterior segment surgery.

Instruments designed primarily for vitreous surgery were used in 74 anterior segment operations. In each case the instrument was introduced into the eye through a limbal incision. This preliminary report shows that this new approach offers several advantages over conventional methods in selected cases. It is of particular value in the management of presenile and complicated cataracts and in the removal of capsulo-lenticular remnants and pupillary membranes. A larger number of cases and longer follow-up are necessary to define further the specific indications and limitations of this technique.

Adolescent↗
PubMed1977

Lensectomy.

Lensectomy is a new technique of lens extraction by which lens material is cut and aspirated through a fine-bore needle. The technique is simple and atraumatic. The small limbal incision, which does not require suturing, has the advantage of reducing the risk of vitreous loss and the amount of surgically-induced astigmatism to a minimum. Instruments designed primarily for vitreous surgery were used in the removal of cataracts from seventy eyes. This preliminary report shows that this new approach offers several advantages over conventional methods in selected cases. It appears to be of particular value in the management of cataracts secondary to chronic anterior uveitis. It is also a good alternative in the treatment of traumatic, presenile, and congenital or juvenile cataracts. Lensectomy is not a suitable technique for the removal of calcified lenses or those with hard nuclei. Possible complications include endothelial damage, loss of lens matter into the vitreous, and retinal detachment.

Adolescent↗
PubMed1977

Treatment of rhegmatogenous detachment without apparent holes.

In a series of cases of retinal detachment without visible holes, failure was not associated with local procedures but, as in all cases of retinal detachment, with membrane formation and retinal fibrosis. In total detachments with no localizing signs we favoured the encirclement procedure. In this group of thirty cases of retinal detachment in which no hole could be found we achieved the surprisingly high success rate of 87 per cent, but in as many as seventeen of the thirty cases a local buckle was applied to the most likely site of the tear. We therefore feel that the principle of performing the least traumatic procedure, i.e. a local procedure, can still be followed in a considerable number of these challenging cases.

Adolescent↗