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Biomedical subjects

Paul E Romano

Publications and source records attributed to Paul E Romano.

16 recordsLinked to original sources
PubMed2003

A case of acute loss of binocular vision and stereoscopic depth perception. (The misery of acute monovision, having been binocular for 68 years).

PURPOSE: There are few personal reports in the literature, by knowledgeable vision scientists, of the loss of binocular vision. This case is reported. CASE REPORT: This 68 year old retired pediatric ophthalmologist suffered an almost total loss of vision, OD, as a result of a sudden massive hemorrhage into the vitreous body from a bridging retinal vessel, which remained after repair of a spontaneous large horseshoe retinal tear. This caused significant problems with both remaining monocular vision, cognition, and space perception. It was surprisingly disabling. A diary is included. RESULT: The author now appreciates better: 1. that the overlap and cross compensation of monocular vision is quite significant; 2. that monocular depth perception may be impaired by any type of intervening optical media; 3. that a two dimensional world is very different and vastly inferior to a three dimensional world. COMMENT: Such problems are not ordinarily expected or described in these circumstances, but considering what is in the literature, they may be more common and serious than assumed by eye care professionals, and should be taken into consideration in rendering eye care in similar situations. Loss of binocular vision results in a significant handicap even when the vision remaining in the good dominant eye is normal. It is truly remarkable to this victim that so many mature patients are willing to accept this situation in the form of surgical or optical monovision to avoid spectacles for presbyopia.

Acute Disease↗
PubMed2003

Followup: a case of acute loss of binocular vision and stereoscopic depth perception. (The misery of acute monovision, having been binocular for 68 years).

This is a continuation of a personal report by a knowledgeable vision scientist, of the loss of binocular vision due to a major vitreous hemorrhage. Please see the initial report for further details. (Romano PE. A case of acute loss of binocular vision and stereoscopic depth perception. (The misery of acute monovision, having been binocular for 68 years) Binocul Vis Strabismus Q 2003; 18:51-55). This report covers months three and four following the hemorrhage. In the two months since the initial report, typical daily problems from this handicap are described. Definite evidence of progressive resolution was finally seen at the end of the third month. The speed of this resolution is about 1% per day!

Acute Disease↗
PubMed2002

Measuring surgical skill and proclivity in ophthalmology residency training program applicants using the American Dental Association Dental Admission (Sample) Test (DAT).

PURPOSE: To determine if typical DAT perceptual ability questions which are used to determine potential surgical skills in dental school applicants also do so for surgical ability for eye surgery. METHOD: The subjects were all applicants for admission into the Ophthalmology Residency Training Program at the University of Florida. All applicants answered 11 questions from the "Perceptual Ability" section of the DAT. Their answers were neither reviewed nor scored at the time they took the test but were sealed and set aside. After completing the 3 year training program, each of fifteen consecutive trainees was scored by five masked faculty members for their surgical skill. Their tests were unsealed and scored. Data were obtained on 15 applicants. RESULTS: There was a [Good] positive correlation between masked faculty surgical skill scores and DAT scores: r= +0.58, p < or -0.02. CONCLUSION: DAT perceptual ability questions do indicate candidates with best innate and potential eye surgical skills.

American Dental Association↗
PubMed2002

Bilateral ametropic functional amblyopia in genetic ectopia lentis: its relation to the amount of subluxation, an indicator for early surgical management.

To determine the visual results of conservative (non- surgical) therapy, we reviewed all our patients with genetic ectopia lentis, with and without Marfan's Syndrome. Of these patients, 50% had significant permanent (or potentially so) ametropic functional amblyopia (visual acuity 20/50 to 20/200) in spite of good conservative management. This was especially true (100%) if the amount of lens dislocation was such that the lens edge was approaching the center of the pupil (vision still primarily phakic). The worst amblyopia was noted when the lens was still covering the visual axis and the lens edge was 1.3 mm from the center of the pupil (range of 0.3 to 2.3 mm). With regard to the most serious complication of ectopia lentis and its treatment, retinal detachment, when it occurred in our patients it was more strongly related to axial high myopia than surgery, per se. Since the axial high myopia which characteristically develops in ectopia lentis is probably the result of the amblyopia or the amblyopiagenic optics of ectopia lentis, lentectomy may be indicated early in this condition, before the axial high myopia develops, to prevent both axial high myopia and the attendant risks of retinal detachment as well as functional amblyopia. If the refractive error cannot be corrected well and the resultant ametropic amblyopia does not respond to conservative management, early surgery should be considered. If the lens is subluxated so that the edge of the lens approaches to within 0.3 to 2.3 mm of the center of the pupil (with best correctable vision still phakic), this is highly probable.

Adolescent↗