Visual outcome and efficacy of conjunctival autograft, harvested from the body of pterygium in pterygium excision

Figures & data

Figure 1 Intraoperative self-conjunctival graft harvesting.

Figure 2 Conjunctival autograft at day 1.

Figure 3 The graft at the end of 3 months.

Table 1 Simulated (sim) K readings

	Mean	N	Standard deviation	t-value	P-value
sim K values
Preoperative	2.308	25	2.25	2.370	<0.026**
Postoperative 1 month	1.248	25	0.99

Note:

** P<0.05 significant.

Abbreviation: K, keratometry.

Table 2 UCVA in type 2 pterygium

UCVA LogMAR in type 2	Mean	Standard deviation	t-value	P-value
Preoperative	0.350	0.2062
Postoperative 1 month	0.200	0.1483	3.563	0.005**
Postoperative 3 months	0.220	0.1398	3.794	0.004**
Postoperative 6 months	0.182	0.1537	4.032	0.002**

Note:

** Indicates statistical significance.

Abbreviation: UCVA, uncorrected visual acuity.

Table 3 UCVA in type 3 pterygium

UCVA LogMAR in type 3	Mean	Standard deviation	t-value	P-value
Preoperative	0.538	0.188
Postoperative 1 month	0.350	0.251	1.349	0.270
Postoperative 3 months	0.275	0.050	3.516	0.039**
Postoperative 6 months	0.225	0.095	4.753	0.018**

Note:

** Indicates statistical significance.

Abbreviation: UCVA, uncorrected visual acuity.

Table 4 Best-corrected visual acuity (BCVA)

BCVA LogMAR in type 2	Mean LogMAR	Standard deviation	t-value	P-value
Preoperative	0.109	0.157
Postoperative 1 month	0.018	0.075	2.469	0.033**
Postoperative 3 months	0.036	0.067	2.390	0.038**
Postoperative 6 months	0.036	0.067	2.390	0.038**

Note:

** Indicates statistical significance.

Table 5 Postoperative complaints and complications among subjects

	Day 1	Day 15	1 month	3 months	6 months
Satisfactory	0	16 (64%)	24 (96%)	25 (100%)	25 (100%)
Conjunctival congestion	21 (84%)	4 (16%)	1 (4%)	–	–
Conjunctival chemosis	5 (20%)	1 (4%)	–	–	–
Subconjunctival hemorrhage	6 (24%)	3 (12%)	–	–	–
Discomfort	13 (52%)	–	–	–	–
Foreign body sensation	8 (32%)	–	–	–	–
Tearing	4 (16%)	–	–	–	–

Note: – Indicates no complaints or complications.

Table 6 Graft-related complications postoperatively

	Graft necrosis	Wound dehiscence	Conjunctival cyst	Tenon’s granuloma	Loose graft	Lost graft	Recurrence
Day 1	–	–	–	–	–	–
Day 15	–	–	–	–	–	–
1 month	–	–	–	–	–	–
3 months	–	–	–	–	–	–
6 months	–	–	–	–	–	–	0

Note: – Indicates no complaints or complications.